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Kata I have not trained on
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Kata I have completed
8 kyu
easiest
7 kyu
6 kyu
5 kyu
4 kyu
3 kyu
2 kyu
1 kyu
hardest
ASCII Art
49
Algebra
15
Algorithms
833
Angular
1
Arrays
290
Artificial Intelligence
1
Asynchronous
2
Backend
1
Big Integers
2
Binary
27
Binary Trees
2
Bits
15
Cellular Automata
1
Ciphers
21
Combinatorics
10
Cryptography
26
Data Frames
2
Data Science
13
Data Structures
95
Databases
1
Date Time
18
Debugging
8
Decorator
1
Design Patterns
7
Discrete Mathematics
4
Dynamic Programming
9
Esoteric Languages
3
Filtering
2
Functional Programming
17
Fundamentals
824
Game Solvers
3
Games
59
Geometry
40
Graph Theory
10
Graphics
3
Graphs
3
Image Processing
1
Interpreters
4
Iterators
6
JSON
2
Language Features
4
Linear Algebra
8
Linked Lists
13
Lists
50
Logic
76
Machine Learning
2
Mathematics
343
Matrix
29
Memoization
7
Metaprogramming
1
Monads
1
Networks
7
NumPy
1
Number Theory
23
Object-oriented Programming
29
Parsing
20
Performance
57
Permutations
15
Physics
2
Probability
12
Puzzles
252
Queues
3
Recursion
40
Refactoring
2
Regular Expressions
87
Restricted
31
Riddles
3
SQL
1
Scheduling
1
Searching
6
Security
10
Set Theory
3
Sets
5
Simulation
1
Sorting
62
Stacks
1
State Machines
2
Statistics
15
Strings
340
Threads
1
Trees
4
Tutorials
4
Unicode
2
Web Scraping
2
FEATURED TAGS
Cryptography
Data Science
Debugging
Games
Tutorials
1,769 Kata Found
6 kyu
Multiples of 3 or 5
384,583
jhoffner
2 Issues Reported
Mathematics
Algorithms
6 kyu
Who likes it?
309,812
BattleRattle
Strings
Fundamentals
6 kyu
Create Phone Number
301,416
xDranik
1 Issue Reported
Arrays
Strings
Regular Expressions
Algorithms
6 kyu
Find the odd int
272,244
rbuckley
3 Issues Reported
Fundamentals
6 kyu
Array.diff
255,548
marcinbunsch
2 Issues Reported
Arrays
Fundamentals
Algorithms
6 kyu
Sum of Digits / Digital Root
251,711
user578387
2 Issues Reported
Mathematics
Algorithms
6 kyu
Stop gninnipS My sdroW!
250,225
xDranik
5 Issues Reported
Strings
Algorithms
6 kyu
Bit Counting
221,576
xcthulhu
5 Issues Reported
Bits
Algorithms
6 kyu
Counting Duplicates
209,329
kgashok
10 Issues Reported
Strings
Fundamentals
6 kyu
Duplicate Encoder
200,276
obnounce
6 Issues Reported
Strings
Arrays
Fundamentals
6 kyu
Find The Parity Outlier
198,669
obnounce
2 Issues Reported
Algorithms
6 kyu
Replace With Alphabet Position
185,666
MysteriousMagenta
2 Issues Reported
Strings
Fundamentals
6 kyu
Persistent Bugger.
180,293
joh_pot
1 Issue Reported
Fundamentals
6 kyu
Take a Ten Minutes Walk
180,228
JKphobic
18 Issues Reported
Arrays
Fundamentals
6 kyu
Convert string to camel case
171,201
jhoffner
19 Issues Reported
Regular Expressions
Algorithms
Strings
6 kyu
Unique In Order
167,617
pinelopi
7 Issues Reported
Algorithms
Fundamentals
6 kyu
Detect Pangram
161,266
anindyabd
4 Issues Reported
Strings
Data Structures
Fundamentals
6 kyu
Does my number look big in this?
153,540
JulianNicholls
4 Issues Reported
Algorithms
6 kyu
Your order, please
152,481
iamstone
2 Issues Reported
Strings
Fundamentals
6 kyu
Tribonacci Sequence
141,778
GiacomoSorbi
6 Issues Reported
Number Theory
Arrays
Lists
Fundamentals
6 kyu
Split Strings
136,421
jhoffner
5 Issues Reported
Regular Expressions
Strings
Algorithms
6 kyu
Find the unique number
129,464
isqua
7 Issues Reported
Fundamentals
Algorithms
Arrays
6 kyu
Playing with digits
127,336
g964
1 Issue Reported
Fundamentals
Mathematics
6 kyu
Equal Sides Of An Array
115,178
Shivo
Algorithms
Arrays
Fundamentals
6 kyu
Decode the Morse code
107,397
jolaf
6 Issues Reported
Algorithms
6 kyu
Is a number prime?
103,359
arithmetric
2 Issues Reported
Mathematics
Algorithms
6 kyu
Break camelCase
102,357
hakt
2 Issues Reported
Strings
Fundamentals
6 kyu
Sort the odd
96,187
fyvfyv
Fundamentals
Arrays
Sorting
6 kyu
Are they the "same"?
95,902
g964
2 Issues Reported
Fundamentals
6 kyu
Build Tower
90,662
8fdafs2
Strings
ASCII Art
Fundamentals
6 kyu
Find the missing letter
88,791
user5036852
5 Issues Reported
Mathematics
Algorithms
6 kyu
Highest Scoring Word
88,334
PG1
2 Issues Reported
Fundamentals
Strings
Arrays
6 kyu
Count the smiley faces!
87,497
St3f4n
6 Issues Reported
Regular Expressions
Fundamentals
6 kyu
Delete occurrences of an element if it occurs more than n times
86,184
JustyFY
3 Issues Reported
Lists
Fundamentals
6 kyu
Bouncing Balls
82,297
g964
1 Issue Reported
Puzzles
Algorithms
Mathematics
6 kyu
Count characters in your string
80,942
riston
Strings
Fundamentals
6 kyu
Build a pile of Cubes
80,424
g964
Mathematics
Algorithms
6 kyu
Which are in?
74,602
g964
7 Issues Reported
Arrays
Lists
Strings
Refactoring
6 kyu
Consecutive strings
73,074
g964
Fundamentals
6 kyu
Write Number in Expanded Form
72,214
Belax8
3 Issues Reported
Strings
Mathematics
Algorithms
Fundamentals
6 kyu
Two Sum
70,665
wthit56
11 Issues Reported
Arrays
Fundamentals
Algorithms
6 kyu
Valid Braces
69,172
xDranik
9 Issues Reported
Algorithms
6 kyu
Mexican Wave
61,410
adrian.eyre
3 Issues Reported
Arrays
Strings
Fundamentals
6 kyu
Take a Number And Sum Its Digits Raised To The Consecutive Powers And ....¡Eureka!!
50,578
raulbc777
2 Issues Reported
Fundamentals
Mathematics
6 kyu
Roman Numerals Encoder
50,446
jhoffner
1 Issue Reported
Algorithms
6 kyu
The Supermarket Queue
46,192
mattlub
Arrays
Fundamentals
6 kyu
Roman Numerals Decoder
44,465
jhoffner
5 Issues Reported
Algorithms
6 kyu
WeIrD StRiNg CaSe
43,779
xDranik
4 Issues Reported
Strings
Algorithms
6 kyu
CamelCase Method
41,943
bestwebua
7 Issues Reported
Fundamentals
Algorithms
Strings
6 kyu
IP Validation
37,939
wink
6 Issues Reported
Regular Expressions
Algorithms
6 kyu
Title Case
34,943
user527539
2 Issues Reported
Strings
Fundamentals
6 kyu
Multiplication table
34,397
Bugari
4 Issues Reported
Arrays
Fundamentals
6 kyu
Give me a Diamond
33,541
jayeshcp
1 Issue Reported
Strings
ASCII Art
Fundamentals
6 kyu
Make the Deadfish Swim
30,698
NullData
6 Issues Reported
Parsing
Algorithms
6 kyu
Rectangle into Squares
30,628
g964
3 Issues Reported
Fundamentals
Geometry
Puzzles
6 kyu
Tortoise racing
30,544
g964
Fundamentals
Mathematics
Algorithms
6 kyu
Help the bookseller !
26,725
g964
8 Issues Reported
Fundamentals
Algorithms
6 kyu
Simple Encryption #1 - Alternating Split
26,704
user5036852
3 Issues Reported
Cryptography
Algorithms
Strings
Arrays
Fundamentals
6 kyu
Good vs Evil
24,190
Frzy
3 Issues Reported
Algorithms
6 kyu
Sums of Parts
22,682
g964
Fundamentals
Performance
Algorithms
6 kyu
Reverse or rotate?
21,905
g964
1 Issue Reported
Algorithms
Strings
6 kyu
Data Reverse
21,886
sataman
3 Issues Reported
Arrays
Fundamentals
6 kyu
Encrypt this!
20,811
suic
Fundamentals
Strings
Regular Expressions
Arrays
Ciphers
Algorithms
Cryptography
Security
6 kyu
N-th Fibonacci
20,219
boatmeme
2 Issues Reported
Algorithms
6 kyu
Find the missing term in an Arithmetic Progression
19,312
Coldberg
8 Issues Reported
Algorithms
Mathematics
6 kyu
Meeting
19,036
g964
1 Issue Reported
Fundamentals
6 kyu
Valid Phone Number
18,775
xDranik
3 Issues Reported
Regular Expressions
Algorithms
6 kyu
The Vowel Code
17,458
yaphi1
1 Issue Reported
Arrays
Strings
Regular Expressions
Fundamentals
6 kyu
Buying a car
17,159
g964
2 Issues Reported
Fundamentals
Mathematics
6 kyu
Backspaces in string
17,071
vetalpaprotsky
3 Issues Reported
Fundamentals
Strings
Algorithms
6 kyu
Consonant value
16,926
KenKamau
4 Issues Reported
Strings
Fundamentals
6 kyu
Pyramid Array
16,030
sahglie
Algorithms
6 kyu
Length of missing array
15,904
user5036852
1 Issue Reported
Arrays
Algorithms
6 kyu
Highest Rank Number in an Array
15,349
KK20994
1 Issue Reported
Arrays
Fundamentals
6 kyu
Validate Credit Card Number
15,138
mcclaskc
5 Issues Reported
Algorithms
6 kyu
A Rule of Divisibility by 13
14,971
g964
1 Issue Reported
Fundamentals
Algorithms
Mathematics
6 kyu
Pair of gloves
14,302
AzariasB
Arrays
Puzzles
6 kyu
Triple trouble
14,165
joh_pot
10 Issues Reported
Algorithms
6 kyu
Dashatize it
13,174
Dragoris
Strings
Arrays
Regular Expressions
Fundamentals
6 kyu
Function Composition
12,919
user578387
2 Issues Reported
Functional Programming
Fundamentals
6 kyu
Handshake problem
12,880
Laurynas Lazauskas
2 Issues Reported
Algorithms
6 kyu
Multi-tap Keypad Text Entry on an Old Mobile Phone
12,697
mroth
1 Issue Reported
Fundamentals
6 kyu
Fibonacci, Tribonacci and friends
12,592
GiacomoSorbi
13 Issues Reported
Arrays
Lists
Number Theory
Fundamentals
6 kyu
Matrix Addition
12,555
xDranik
2 Issues Reported
Matrix
Arrays
Algorithms
6 kyu
Array Deep Count
12,462
hannahcmtucker
Arrays
Recursion
Fundamentals
6 kyu
Prefill an Array
12,401
user5854572
7 Issues Reported
Arrays
Fundamentals
6 kyu
Kebabize
11,957
user4316848
1 Issue Reported
Fundamentals
Strings
Regular Expressions
6 kyu
Don't rely on luck.
11,741
JoshBrodieNZ
Games
Puzzles
6 kyu
Word a10n (abbreviation)
11,631
wthit56
7 Issues Reported
Strings
Fundamentals
6 kyu
Pascal's Triangle
11,263
boatmeme
2 Issues Reported
Arrays
Mathematics
Algorithms
6 kyu
Street Fighter 2 - Character Selection
11,240
mmalkavian
5 Issues Reported
Arrays
Lists
Fundamentals
Graph Theory
6 kyu
Lottery Ticket
11,156
PG1
5 Issues Reported
Fundamentals
Strings
Arrays
6 kyu
Playing with passphrases
10,987
g964
3 Issues Reported
Strings
Algorithms
6 kyu
Character with longest consecutive repetition
10,919
suic
Strings
Fundamentals
Algorithms
6 kyu
Reverse polish notation calculator
10,831
vgrichina
4 Issues Reported
Algorithms
Mathematics
Interpreters
Parsing
Strings
6 kyu
+1 Array
10,723
khelmar
2 Issues Reported
Fundamentals
Arrays
Algorithms
6 kyu
Fold an array
10,576
user5036852
Fundamentals
Logic
Mathematics
Algorithms
6 kyu
If you can read this...
10,435
henryhamon
2 Issues Reported
Fundamentals
6 kyu
longest_palindrome
10,380
kgashok
3 Issues Reported
Fundamentals
6 kyu
Base Conversion
10,334
BattleRattle
8 Issues Reported
Strings
Mathematics
Algorithms
6 kyu
IPv4 to int32
9,850
sahglie
Networks
Algorithms
Bits
Binary
Fundamentals
6 kyu
Reverse every other word in the string
9,631
Confettimaker
3 Issues Reported
Arrays
Fundamentals
6 kyu
Statistics for an Athletic Association
9,547
g964
3 Issues Reported
Fundamentals
Strings
Statistics
Mathematics
Data Science
6 kyu
Run-length encoding
9,435
bkaes
1 Issue Reported
Strings
Algorithms
6 kyu
What century is it?
9,142
user1511460
1 Issue Reported
Strings
Algorithms
Date Time
6 kyu
Linked Lists - Length & Count
9,121
JDeBolt
2 Issues Reported
Linked Lists
Data Structures
Fundamentals
6 kyu
Grouped by commas
9,047
agram
4 Issues Reported
Algorithms
6 kyu
Decipher this!
8,759
yvonne-liu
Strings
Arrays
Ciphers
Fundamentals
6 kyu
Two Joggers
8,749
haan
1 Issue Reported
Mathematics
Algorithms
6 kyu
Sorting by bits
8,596
kodejuice
Logic
Arrays
Algorithms
Data Structures
Fundamentals
Bits
Binary
Sorting
6 kyu
Triangle type
8,504
SagePtr
Geometry
Mathematics
Algorithms
6 kyu
Clocky Mc Clock-Face
8,490
dinglemouse
Fundamentals
6 kyu
New Cashier Does Not Know About Space or Shift
8,175
jackdcasey
Strings
Fundamentals
6 kyu
Ball Upwards
7,827
g964
1 Issue Reported
Fundamentals
6 kyu
Sum consecutives
7,821
JustyFY
6 Issues Reported
Arrays
Algorithms
6 kyu
English beggars
7,793
GiacomoSorbi
1 Issue Reported
Queues
Arrays
Lists
Recursion
Fundamentals
6 kyu
extract portion of file name
7,743
Javatlacati
Regular Expressions
Fundamentals
6 kyu
Rainfall
7,464
g964
1 Issue Reported
Fundamentals
Strings
6 kyu
Mutual Recursion
7,332
dnolan
3 Issues Reported
Mathematics
Algorithms
Recursion
6 kyu
String array duplicates
7,236
KenKamau
1 Issue Reported
Strings
Arrays
Algorithms
6 kyu
Let's Recycle!
7,158
marcoruggeri
Arrays
Fundamentals
6 kyu
Backwards Read Primes
7,066
g964
6 Issues Reported
Mathematics
Algorithms
6 kyu
Sort Arrays (Ignoring Case)
7,030
ineiti
1 Issue Reported
Arrays
Sorting
6 kyu
Calculate String Rotation
6,948
obnounce
Strings
Arrays
Algorithms
6 kyu
Maze Runner
6,926
adrian.eyre
Arrays
Fundamentals
6 kyu
Unary function chainer
6,802
tpatja
Functional Programming
Fundamentals
6 kyu
Exclamation marks series #17: Put the exclamation marks and question marks on the balance - are they balanced?
6,788
myjinxin2015
1 Issue Reported
Fundamentals
6 kyu
Coordinates Validator
6,769
louy
8 Issues Reported
Regular Expressions
Algorithms
6 kyu
Where is my parent!?(cry)
6,560
smolen
Fundamentals
6 kyu
How Much?
6,460
g964
2 Issues Reported
Fundamentals
6 kyu
Prize Draw
6,416
g964
Fundamentals
Strings
Sorting
6 kyu
Esolang Interpreters #1 - Introduction to Esolangs and My First Interpreter (MiniStringFuck)
6,409
donaldsebleung
6 Issues Reported
Interpreters
Esoteric Languages
Algorithms
Tutorials
6 kyu
Steps in Primes
6,392
g964
2 Issues Reported
Mathematics
Number Theory
6 kyu
zipWith
6,389
JohanWiltink
Lists
Arrays
Functional Programming
Algorithms
6 kyu
Primorial Of a Number
6,368
MrZizoScream
3 Issues Reported
Fundamentals
Arrays
Number Theory
6 kyu
Salesman's Travel
6,339
g964
1 Issue Reported
Fundamentals
Strings
6 kyu
Hamming Distance
6,311
eridgd
3 Issues Reported
Algorithms
6 kyu
Is Integer Array?
6,275
ravikiranj
2 Issues Reported
Arrays
Fundamentals
6 kyu
String transformer
6,246
tonytangau
4 Issues Reported
Fundamentals
6 kyu
Remove the parentheses
6,195
topping
2 Issues Reported
Strings
Algorithms
Regular Expressions
Fundamentals
6 kyu
Difference of 2
6,171
technikhil
1 Issue Reported
Arrays
Sorting
Algorithms
6 kyu
Bingo Card
6,146
FrankK
Games
Algorithms
6 kyu
Arrh, grabscrab!
6,113
matstc
Strings
Algorithms
6 kyu
Image host filename generator
6,107
int3_0xcc
4 Issues Reported
Logic
Object-oriented Programming
Strings
Fundamentals
6 kyu
Matrix Transpose
6,085
osuushi
1 Issue Reported
Mathematics
Algebra
Matrix
Algorithms
6 kyu
The Deaf Rats of Hamelin
6,057
dinglemouse
Fundamentals
Strings
Algorithms
Queues
Data Structures
6 kyu
"Stringing"+"Me"+"Along"
6,036
shinchy
2 Issues Reported
Functional Programming
Fundamentals
6 kyu
Format words into a sentence
5,938
jhoffner
1 Issue Reported
Strings
Algorithms
6 kyu
Sequences and Series
5,807
BattleRattle
3 Issues Reported
Mathematics
Algorithms
Puzzles
6 kyu
Find the Mine!
5,682
xDranik
1 Issue Reported
Arrays
Algorithms
6 kyu
Pascal's Triangle #2
5,661
Jeroko
2 Issues Reported
Arrays
Algorithms
6 kyu
Number Zoo Patrol
5,631
shawkinsl
1 Issue Reported
Algorithms
Performance
Mathematics
6 kyu
Design a Simple Automaton (Finite State Machine)
5,562
Ban-Ath
5 Issues Reported
State Machines
Artificial Intelligence
Algorithms
Object-oriented Programming
6 kyu
Transform To Prime
5,554
MrZizoScream
6 Issues Reported
Fundamentals
Arrays
6 kyu
Manhattan Distance
5,548
xDranik
1 Issue Reported
Arrays
Algorithms
6 kyu
Autocomplete! Yay!
5,520
yaphi1
4 Issues Reported
Strings
Regular Expressions
Arrays
Fundamentals
6 kyu
Twisted Sum
5,499
agram
1 Issue Reported
Mathematics
Algorithms
6 kyu
PI approximation
5,465
g964
3 Issues Reported
Arrays
Mathematics
Fundamentals
6 kyu
Coding Meetup #7 - Higher-Order Functions Series - Find the most senior developer
5,314
PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Triangle number check
5,307
user8012989
5 Issues Reported
Mathematics
Algorithms
6 kyu
Loose Change
5,248
ghost_pilot
2 Issues Reported
Mathematics
Fundamentals
6 kyu
Evil Autocorrect Prank
4,991
yaphi1
3 Issues Reported
Strings
Regular Expressions
Algorithms
6 kyu
Throwing Darts
4,959
xDranik
3 Issues Reported
Algorithms
6 kyu
Coding Meetup #8 - Higher-Order Functions Series - Will all continents be represented?
4,927
PiotrBerebecki
1 Issue Reported
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Binary to Text (ASCII) Conversion
4,866
deanvn
3 Issues Reported
Binary
Strings
Fundamentals
6 kyu
Financing Plan on Planet XY140Z-n
4,715
g964
2 Issues Reported
Mathematics
Algorithms
6 kyu
Tank Truck
4,663
g964
Mathematics
Geometry
6 kyu
All Star Code Challenge #15
4,651
shaddyjr
1 Issue Reported
Fundamentals
6 kyu
A disguised sequence (I)
4,636
g964
2 Issues Reported
Algorithms
Mathematics
6 kyu
Integer depth
4,509
aweleshetu
1 Issue Reported
Fundamentals
6 kyu
Moves in squared strings (II)
4,508
g964
1 Issue Reported
Algorithms
Strings
6 kyu
Collatz
4,484
trent.armstrong
Number Theory
Algorithms
6 kyu
Who has the most money?
4,458
MrAppa
3 Issues Reported
Object-oriented Programming
Algorithms
6 kyu
Simple Fun #79: Delete a Digit
4,424
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
Playing on a chessboard
4,345
g964
2 Issues Reported
Puzzles
Fundamentals
6 kyu
Banker's Plan
4,329
g964
1 Issue Reported
Mathematics
Algorithms
6 kyu
Strip Url Params
4,306
jhoffner
6 Issues Reported
Strings
Algorithms
6 kyu
Reducing by steps
4,174
g964
3 Issues Reported
Mathematics
Arrays
Functional Programming
Lists
Data Structures
6 kyu
Srot the inner ctonnet in dsnnieedcg oredr
4,107
user5036852
1 Issue Reported
Strings
Logic
Algorithms
6 kyu
Calculate the area of a regular n sides polygon inside a circle of radius r
4,000
Chrono79
3 Issues Reported
Mathematics
Geometry
Fundamentals
6 kyu
Simple frequency sort
3,984
KenKamau
Algorithms
Sorting
Arrays
6 kyu
Irreducible Sum of Rationals
3,976
g964
2 Issues Reported
Fundamentals
6 kyu
Round by 0.5 steps
3,932
vshjxyz
1 Issue Reported
Mathematics
Fundamentals
6 kyu
Pokemon Damage Calculator
3,926
yaphi1
Arrays
Games
Strings
Puzzles
6 kyu
How many pages in a book?
3,893
alexbur
3 Issues Reported
Puzzles
Algorithms
6 kyu
Almost Even
3,875
OverZealous
Arrays
Algorithms
6 kyu
PatternCraft - Strategy
3,870
brunolm
Design Patterns
Fundamentals
6 kyu
PatternCraft - State
3,858
brunolm
1 Issue Reported
Design Patterns
Fundamentals
6 kyu
String average
3,688
jc66
1 Issue Reported
Strings
Algorithms
6 kyu
PatternCraft - Decorator
3,637
brunolm
Design Patterns
Fundamentals
6 kyu
Duplicate Arguments
3,615
lunitik
Algorithms
6 kyu
Clock in Mirror
3,602
aryan-firouzian
Fundamentals
6 kyu
Positions Average
3,575
g964
1 Issue Reported
Fundamentals
Strings
6 kyu
Custom FizzBuzz Array
3,542
ogryzek
3 Issues Reported
Arrays
Logic
Fundamentals
6 kyu
Arrays Similar
3,519
jgable
2 Issues Reported
Arrays
Algorithms
6 kyu
Simple Substitution Cipher Helper
3,433
jacobb
Ciphers
Security
Object-oriented Programming
Strings
Algorithms
6 kyu
Simple Sentences
3,430
fizis
3 Issues Reported
Strings
Regular Expressions
Fundamentals
6 kyu
Find within array
3,409
kylehill
Arrays
Functional Programming
Fundamentals
6 kyu
Coding Meetup #15 - Higher-Order Functions Series - Find the odd names
3,406
PiotrBerebecki
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Ackermann Function
3,406
Were_Cat
5 Issues Reported
Mathematics
Algorithms
Recursion
6 kyu
Angle Between Clock Hands
3,395
animatedgif
4 Issues Reported
Mathematics
Date Time
Algorithms
6 kyu
Coding Meetup #9 - Higher-Order Functions Series - Is the meetup age-diverse?
3,381
PiotrBerebecki
1 Issue Reported
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Error correction #1 - Hamming Code
3,379
zLuki
Algorithms
Bits
6 kyu
Who won the election?
3,377
SithFire
3 Issues Reported
Algorithms
Lists
Fundamentals
6 kyu
Most Frequent Weekdays
3,376
suic
Fundamentals
6 kyu
Shortest steps to a number
3,373
bdowds
Puzzles
Mathematics
Fundamentals
Games
6 kyu
Row of the odd triangle
3,366
shikyo
5 Issues Reported
Algorithms
Performance
6 kyu
Alphabet war - airstrike - letters massacre
3,314
dcieslak
1 Issue Reported
Fundamentals
Strings
6 kyu
Prime Factors
3,264
kgashok
Algorithms
6 kyu
More Zeros than Ones
3,257
crimbus
Fundamentals
6 kyu
The Shell Game
3,242
mtthw123
3 Issues Reported
Fundamentals
6 kyu
Numericals of a String
3,215
Jomopipi
Puzzles
Performance
Algorithms
6 kyu
Schrödinger's Boolean
3,211
docgunthrop
Language Features
Metaprogramming
Puzzles
6 kyu
Sum two arrays
3,200
ggwilliams
Algorithms
6 kyu
RoboScript #1 - Implement Syntax Highlighting
3,191
donaldsebleung
1 Issue Reported
Fundamentals
6 kyu
Piano Kata, Part 1
3,173
tachyonlabs
2 Issues Reported
Fundamentals
6 kyu
Compare Versions
3,173
prksingh
2 Issues Reported
Strings
Fundamentals
6 kyu
Permute a Palindrome
3,166
kgashok
Algorithms
Fundamentals
6 kyu
What's A Name In?
3,156
crimbus
4 Issues Reported
Fundamentals
6 kyu
Message Validator
3,149
frkn2076
5 Issues Reported
Algorithms
6 kyu
Complete Fibonacci Series
3,110
akp
Algorithms
6 kyu
ASCII hex converter
3,102
sahglie
Fundamentals
Bits
Strings
Object-oriented Programming
6 kyu
Alphabetized
3,087
kop
Strings
Sorting
6 kyu
Basic Encryption
3,083
Tandyman
2 Issues Reported
Mathematics
Strings
Ciphers
6 kyu
Simple Simple Simple String Expansion
3,067
alansun
2 Issues Reported
Strings
Regular Expressions
Fundamentals
6 kyu
Count the divisible numbers
3,044
joh_pot
1 Issue Reported
Fundamentals
Algorithms
6 kyu
Are we alternate?
3,015
cheeze
2 Issues Reported
Algorithms
Strings
6 kyu
Braking well
2,981
g964
2 Issues Reported
Fundamentals
Mathematics
6 kyu
Adding ordinal indicator suffixes to numbers
2,940
user3512106
3 Issues Reported
Strings
Algorithms
6 kyu
up AND down
2,927
g964
1 Issue Reported
Fundamentals
Strings
6 kyu
Longest alphabetical substring
2,910
Avanta
Fundamentals
Strings
6 kyu
Lambdas as a mechanism for Open/Closed
2,900
thatrubylove
2 Issues Reported
Fundamentals
6 kyu
Fruit Machine
2,887
adrian.eyre
1 Issue Reported
Arrays
Games
Fundamentals
6 kyu
Number Format
2,876
cnawaraj
1 Issue Reported
Regular Expressions
Fundamentals
6 kyu
Parabolic Arc Length
2,864
g964
1 Issue Reported
Fundamentals
6 kyu
Sum of many ints
2,855
farzher
7 Issues Reported
Mathematics
Algorithms
6 kyu
Even Fibonacci Sum
2,827
krillgar
Algorithms
6 kyu
Hidden "Cubic" numbers
2,815
g964
3 Issues Reported
Algorithms
Strings
6 kyu
Coding Meetup #13 - Higher-Order Functions Series - Is the meetup language-diverse?
2,813
PiotrBerebecki
1 Issue Reported
Functional Programming
Data Structures
Arrays
Fundamentals
Algorithms
Strings
6 kyu
Hanoi record
2,803
Bugari
Fundamentals
Algorithms
Mathematics
Puzzles
6 kyu
Feynman's square question
2,783
dburgoyne
2 Issues Reported
Puzzles
6 kyu
Function iteration
2,761
myTerminal
1 Issue Reported
Algorithms
6 kyu
Crack the PIN
2,725
zLuki
Algorithms
Cryptography
6 kyu
Color Choice
2,713
g964
2 Issues Reported
Fundamentals
6 kyu
Frog jumping
2,708
alex.budiakov
1 Issue Reported
Fundamentals
Arrays
Algorithms
6 kyu
Split and then add both sides of an array together.
2,704
bori0066
2 Issues Reported
Arrays
Algorithms
6 kyu
Easy Balance Checking
2,681
g964
1 Issue Reported
Fundamentals
Strings
6 kyu
Simple card game
2,672
gertasik
Arrays
Games
Algorithms
6 kyu
Reach Me and Sum my Digits
2,660
raulbc777
3 Issues Reported
Fundamentals
Algorithms
Mathematics
6 kyu
The Office V - Find a Chair
2,652
PG1
5 Issues Reported
Fundamentals
Arrays
Strings
6 kyu
Adjacent repeated words in a string
2,631
tforbus
1 Issue Reported
Strings
Fundamentals
6 kyu
Turn String Input into Hash
2,628
user4655293
Parsing
Algorithms
6 kyu
Sorting on planet Twisted-3-7
2,626
user5036852
Mathematics
Sorting
Arrays
Algorithms
6 kyu
The maximum sum value of ranges -- Simple version
2,587
myjinxin2015
1 Issue Reported
Fundamentals
6 kyu
Regexp Basics - is it IPv4 address?
2,577
taw
1 Issue Reported
Regular Expressions
Fundamentals
6 kyu
Moves in squared strings (III)
2,576
g964
2 Issues Reported
Algorithms
Strings
6 kyu
Reversing a Process
2,551
g964
1 Issue Reported
Fundamentals
6 kyu
Catalog
2,548
g964
1 Issue Reported
Fundamentals
Strings
6 kyu
first character that repeats
2,547
jfridye
1 Issue Reported
Algorithms
6 kyu
Change it up
2,526
aec58
Strings
Fundamentals
6 kyu
Arabian String
2,496
dacoxall
1 Issue Reported
Strings
Algorithms
6 kyu
1RM Calculator
2,463
kingcobra
2 Issues Reported
Mathematics
6 kyu
Basics 08: Find next higher number with same Bits (1's)
2,460
smile67
1 Issue Reported
Fundamentals
Mathematics
Algorithms
6 kyu
1/n- Cycle
2,457
g964
3 Issues Reported
Fundamentals
Mathematics
6 kyu
Linked Lists - Insert Nth Node
2,449
JDeBolt
2 Issues Reported
Linked Lists
Data Structures
Fundamentals
6 kyu
Casino chips
2,448
KenKamau
2 Issues Reported
Mathematics
Fundamentals
6 kyu
Dbftbs Djqifs
2,415
TastyOs
1 Issue Reported
Fundamentals
6 kyu
Valid string
2,414
ryandao
Strings
Algorithms
6 kyu
Harshad or Niven numbers
2,404
jmjjg
1 Issue Reported
Fundamentals
Mathematics
Object-oriented Programming
6 kyu
Bowling Pins
2,376
zruF
1 Issue Reported
Arrays
Strings
Fundamentals
6 kyu
Sum of prime-indexed elements
2,373
KenKamau
1 Issue Reported
Lists
Fundamentals
6 kyu
N smallest elements in original order
2,372
GiacomoSorbi
1 Issue Reported
Arrays
Lists
Data Structures
Algorithms
6 kyu
Look and say numbers
2,370
Svenito
2 Issues Reported
Recursion
Algorithms
6 kyu
Parse HTML/CSS Colors
2,354
junthecoder
2 Issues Reported
Fundamentals
Algorithms
Strings
Parsing
6 kyu
Sort My Animals
2,332
GrahamD
3 Issues Reported
Lists
Sorting
Fundamentals
6 kyu
Sortable Shapes
2,331
FrankK
4 Issues Reported
Sorting
Fundamentals
Mathematics
Design Patterns
Arrays
Geometry
6 kyu
I need more speed!
2,323
joh_pot
1 Issue Reported
Arrays
Algorithms
6 kyu
The Enigma Machine - Part 1: The Plugboard
2,309
ChristianECooper
5 Issues Reported
Fundamentals
Algorithms
Object-oriented Programming
6 kyu
Errors : histogram
2,300
g964
1 Issue Reported
Fundamentals
Strings
6 kyu
Framed Reflection
2,286
PG1
1 Issue Reported
Fundamentals
Strings
Arrays
6 kyu
Emotional Sort ( ︶︿︶)
2,279
Phares
2 Issues Reported
Arrays
Fundamentals
Sorting
6 kyu
HTML dynamic color string generation
2,272
Javatlacati
1 Issue Reported
Puzzles
6 kyu
The takeWhile Function
2,269
jgdodson
2 Issues Reported
Functional Programming
Arrays
Algorithms
Lists
Data Structures
6 kyu
Zero-plentiful Array
2,260
aweleshetu
1 Issue Reported
Fundamentals
6 kyu
The Book of Mormon
2,235
majakudlicka
2 Issues Reported
Fundamentals
Mathematics
Recursion
6 kyu
Duplicates. Duplicates Everywhere.
2,227
bretcameron
Arrays
Sets
Sorting
Fundamentals
6 kyu
Odd-heavy Array
2,222
aweleshetu
1 Issue Reported
Arrays
Fundamentals
6 kyu
Number of anagrams in an array of words
2,210
Raulvv
Algorithms
6 kyu
Simple string indices
2,201
KenKamau
Strings
Algorithms
6 kyu
Dead Ants
2,190
dinglemouse
Algorithms
Strings
Puzzles
6 kyu
Upside down numbers
2,184
KenKamau
1 Issue Reported
Algorithms
6 kyu
Doors in the school
2,180
eqlion
3 Issues Reported
Fundamentals
Algorithms
6 kyu
Cat and Mouse - Harder Version
2,170
PG1
2 Issues Reported
Fundamentals
Strings
Arrays
6 kyu
Easy Diagonal
2,164
g964
1 Issue Reported
Fundamentals
6 kyu
uniq (UNIX style)
2,145
x-way
Arrays
Filtering
Algorithms
6 kyu
Pizza pieces
2,136
Yabiten
2 Issues Reported
Mathematics
Algorithms
6 kyu
Custom Array Filters
2,123
Mackay
3 Issues Reported
Arrays
Fundamentals
Object-oriented Programming
6 kyu
Quick (n choose k) calculator
2,122
GiacomoSorbi
1 Issue Reported
Combinatorics
Algorithms
6 kyu
Fibonacci Reloaded
2,116
BattleRattle
3 Issues Reported
Algorithms
6 kyu
Potion Class 101
2,111
Mishaboo
4 Issues Reported
Algorithms
Object-oriented Programming
6 kyu
Breaking search bad
2,109
dpellier
2 Issues Reported
Regular Expressions
Debugging
6 kyu
Circularly Sorted Array
2,097
JTSHEP
2 Issues Reported
Algorithms
Sorting
6 kyu
Rotate Array
2,094
cjmcgraw
1 Issue Reported
Arrays
Algorithms
6 kyu
Array combinations
2,091
KenKamau
Fundamentals
6 kyu
Last Survivors Ep.2
2,078
Schulzkafer
1 Issue Reported
Fundamentals
Arrays
Regular Expressions
6 kyu
Ease the StockBroker
2,078
g964
4 Issues Reported
Fundamentals
Strings
6 kyu
Calculate number of inversions in array
2,072
kirjs
Algorithms
Arrays
6 kyu
Pairs of Bears
2,052
PG1
4 Issues Reported
Fundamentals
Strings
Arrays
6 kyu
Linked Lists - Sorted Insert
2,032
JDeBolt
2 Issues Reported
Linked Lists
Data Structures
Fundamentals
6 kyu
Compare powers
2,020
GiacomoSorbi
2 Issues Reported
Algorithms
6 kyu
Selective Array Reversing
2,018
kodejuice
Algorithms
Logic
Arrays
6 kyu
Unwanted dollars
2,017
geoffp
Fundamentals
6 kyu
Exercise in Summing
2,015
jmusto
1 Issue Reported
Arrays
Fundamentals
6 kyu
Find Cracker.
2,014
sipubot
2 Issues Reported
Fundamentals
Arrays
6 kyu
Single character palindromes
2,011
KenKamau
1 Issue Reported
Algorithms
6 kyu
Moduli number system
1,980
g964
3 Issues Reported
Fundamentals
6 kyu
Estimating Amounts of Subsets
1,974
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
Pentabonacci
1,971
raulbc777
5 Issues Reported
Fundamentals
Mathematics
Algorithms
Performance
Dynamic Programming
6 kyu
Urban Dictionary
1,964
joh_pot
3 Issues Reported
Algorithms
Object-oriented Programming
6 kyu
Lowest product of 4 consecutive numbers
1,963
naaz
Fundamentals
6 kyu
Next Version
1,962
AzariasB
Arrays
Strings
Algorithms
6 kyu
Sudoku board validator
1,933
hobovsky
1 Issue Reported
Algorithms
Games
6 kyu
Count the days!
1,931
zruF
1 Issue Reported
Date Time
Fundamentals
6 kyu
FIXME: Hello
1,899
dinglemouse
Debugging
6 kyu
Simple Fun #52: Pair Of Shoes
1,896
myjinxin2015
2 Issues Reported
Puzzles
6 kyu
Binaries
1,893
g964
Fundamentals
6 kyu
Anagram difference
1,892
kingcobra
Strings
Algorithms
Fundamentals
6 kyu
Repeated Substring
1,882
opportunity356
2 Issues Reported
Algorithms
6 kyu
IP Address to Number
1,876
user5854572
Strings
Binary
Networks
Fundamentals
6 kyu
Linked Lists - Remove Duplicates
1,859
JDeBolt
Linked Lists
Data Structures
Fundamentals
6 kyu
Organise duplicate numbers in list
1,856
dangerdak
Arrays
Sorting
Fundamentals
6 kyu
Parse a linked list from a string
1,856
donaldsebleung
1 Issue Reported
Linked Lists
Recursion
Algorithms
6 kyu
Element equals its index
1,854
sgerodes
1 Issue Reported
Arrays
Algorithms
6 kyu
Simpson's Rule - Approximate Integration
1,852
g964
1 Issue Reported
Mathematics
6 kyu
80's Kids #7: She's a Small Wonder
1,834
NateBrady23
1 Issue Reported
Fundamentals
Object-oriented Programming
6 kyu
Tic-Tac-Toe-like table Generator
1,832
GiacomoSorbi
2 Issues Reported
ASCII Art
Fundamentals
6 kyu
Ascend, Descend, Repeat?
1,828
badfish1337
Fundamentals
Strings
Algorithms
6 kyu
Single Word Pig Latin
1,826
MicheDev
3 Issues Reported
Strings
Games
Regular Expressions
6 kyu
Data compression using run-length encoding
1,816
HeavyHenke
Algorithms
6 kyu
Write Number in Expanded Form - Part 2
1,814
Belax8
3 Issues Reported
Mathematics
Algorithms
Fundamentals
6 kyu
Inside Out Strings
1,802
PG1
2 Issues Reported
Fundamentals
Strings
Arrays
6 kyu
Basics 03: Strings, Numbers and Calculation
1,801
smile67
1 Issue Reported
Strings
Fundamentals
Mathematics
Arrays
6 kyu
Build Tower Advanced
1,779
8fdafs2
Strings
ASCII Art
Fundamentals
6 kyu
Reverse Vowels In A String
1,771
mmmaaatttttt
Strings
Fundamentals
6 kyu
Swap Case Using N
1,768
mjjbycicle
4 Issues Reported
Fundamentals
6 kyu
Rotate Array (JS)
1,765
ZozoFouchtra
2 Issues Reported
Arrays
Algorithms
6 kyu
Uncollapse Digits
1,763
rasmus_ri
Regular Expressions
Fundamentals
6 kyu
Wave Sorting
1,759
kodejuice
3 Issues Reported
Algorithms
Arrays
Logic
Sorting
6 kyu
Disease Spread
1,754
g964
Fundamentals
6 kyu
Sqrt approximation
1,747
riomus
5 Issues Reported
Mathematics
Algorithms
6 kyu
Simple Fun #23: Square Digits Sequence
1,716
myjinxin2015
Puzzles
6 kyu
Rank Vector
1,697
rtoal
2 Issues Reported
Arrays
Sorting
Algorithms
6 kyu
Begin your day with a challenge, but an easy one.
1,696
raulbc777
2 Issues Reported
Puzzles
6 kyu
The maximum and minimum difference -- Simple version
1,688
myjinxin2015
Fundamentals
6 kyu
Mysterious function
1,688
Iliort
1 Issue Reported
Puzzles
6 kyu
Cycle a list of values
1,688
raine
Algorithms
6 kyu
Surrounding Primes for a value
1,682
raulbc777
3 Issues Reported
Fundamentals
Mathematics
6 kyu
Killer Garage Door
1,677
chainsaw-maniac
1 Issue Reported
State Machines
Fundamentals
6 kyu
A String of Sorts
1,667
Lordnibbler
1 Issue Reported
Strings
Sorting
Algorithms
6 kyu
Separate The Wheat From The Chaff
1,664
MrZizoScream
Fundamentals
Arrays
Performance
6 kyu
Lucas numbers
1,658
NaMe613
2 Issues Reported
Algorithms
6 kyu
String tops
1,657
dcieslak
Fundamentals
Strings
6 kyu
Vowels Back
1,646
PG1
1 Issue Reported
Fundamentals
Strings
Arrays
Algorithms
6 kyu
How Many Reindeers?
1,622
BattleRattle
1 Issue Reported
Algorithms
6 kyu
Convert integer to Whitespace format
1,619
MMMAAANNN
Binary
Fundamentals
6 kyu
Padovan numbers
1,607
Valek
1 Issue Reported
Algorithms
6 kyu
Return 1, 2, 3 randomly
1,582
xakdog
6 Issues Reported
Probability
Puzzles
6 kyu
Back and forth then Reverse!
1,580
RNOH
Algorithms
Performance
Arrays
6 kyu
Only Duplicates
1,580
VictoriaDaug
Fundamentals
Strings
Algorithms
6 kyu
Binary Tree Compare
1,576
bovard
1 Issue Reported
Binary Trees
Algorithms
6 kyu
Numbers of Letters of Numbers
1,557
marbiru
1 Issue Reported
Fundamentals
6 kyu
Multiples of 3 and 5 redux
1,556
yumaikas
1 Issue Reported
Algorithms
Mathematics
6 kyu
Simple Fun #305: Typist
1,537
myjinxin2015
Fundamentals
6 kyu
Assemble string
1,530
kirull
Strings
Arrays
Fundamentals
6 kyu
Happy numbers
1,530
knotman90
1 Issue Reported
Algorithms
6 kyu
Sum of a Sequence [Hard-Core Version]
1,526
GiacomoSorbi
8 Issues Reported
Algorithms
6 kyu
Simple Fun #141: Hamming Distance
1,514
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
Calculate Pyramid Height
1,508
ecocode
Logic
Mathematics
Puzzles
Fundamentals
6 kyu
Car Number Plate Calculator
1,505
W_2004
1 Issue Reported
Algorithms
Logic
Mathematics
Fundamentals
6 kyu
File Path Operations
1,493
user2514386
3 Issues Reported
Fundamentals
Strings
Restricted
6 kyu
Calculate the function f(x) for a simple linear sequence (Easy)
1,489
Mackay
5 Issues Reported
Mathematics
Fundamentals
6 kyu
String subpattern recognition I
1,486
GiacomoSorbi
1 Issue Reported
Strings
Regular Expressions
Fundamentals
6 kyu
Cat Kata, Part 1
1,486
tachyonlabs
Mathematics
Fundamentals
6 kyu
The Lamp: Revisited
1,484
devtheory
Fundamentals
Object-oriented Programming
6 kyu
Follow that Spy
1,483
adromil
2 Issues Reported
Algorithms
6 kyu
Three added Characters
1,482
kodejuice
2 Issues Reported
Logic
Strings
6 kyu
ASCII Fun #1: X- Shape
1,481
zruF
2 Issues Reported
ASCII Art
6 kyu
Smallest Permutation
1,475
coder334
Fundamentals
6 kyu
Twin Prime
1,466
aweleshetu
2 Issues Reported
Mathematics
Fundamentals
6 kyu
Simple prime streaming
1,464
KenKamau
Algorithms
6 kyu
Making Change
1,457
hencethus
3 Issues Reported
Mathematics
Algorithms
6 kyu
SHA-256
1,451
user7657844
Strings
Cryptography
Algorithms
6 kyu
Points in the circle
1,444
hubencu_st
1 Issue Reported
Geometry
Algorithms
Logic
Mathematics
Fundamentals
6 kyu
Simple Web Framework #1: Create a basic router
1,444
int3_0xcc
2 Issues Reported
Object-oriented Programming
Arrays
Fundamentals
6 kyu
Squares in a Rectangle
1,439
emaclean
Mathematics
Algorithms
6 kyu
Simple Fun #160: Cut The Ropes
1,437
myjinxin2015
1 Issue Reported
Algorithms
6 kyu
RNA to Protein Sequence Translation
1,436
torret
1 Issue Reported
Fundamentals
6 kyu
Determine the date by the day number
1,434
LarisaOvchinnikova
Fundamentals
Date Time
Algorithms
6 kyu
Non-even substrings
1,433
KenKamau
Strings
Fundamentals
6 kyu
Find last Fibonacci digit [hardcore version]
1,433
GiacomoSorbi
Algorithms
6 kyu
Moves in squared strings (IV)
1,432
g964
1 Issue Reported
Algorithms
Strings
6 kyu
Numerical Palindrome #1.5
1,427
kkavita92
1 Issue Reported
Arrays
Fundamentals
6 kyu
Fun with lists: countIf
1,421
janitormeir
Lists
Functional Programming
Fundamentals
6 kyu
Versions manager
1,418
bedis-elacheche
Algorithms
Arrays
Strings
Object-oriented Programming
6 kyu
ASCII Fun #2: Funny Dots
1,416
zruF
ASCII Art
6 kyu
Jungerstein's Math Training Room: 1. How many zeros are at the end of n!! ?
1,415
jungerstein
Puzzles
Mathematics
Number Theory
Discrete Mathematics
6 kyu
Find The Duplicated Number in a Consecutive Unsorted List - Tougher Version
1,413
GiacomoSorbi
2 Issues Reported
Lists
Arrays
Algorithms
6 kyu
Common array elements
1,403
KenKamau
Arrays
Performance
Algorithms
6 kyu
Point in Polygon
1,395
osuushi
Geometry
Mathematics
Algorithms
6 kyu
search in multidimensional array
1,381
bakula
1 Issue Reported
Arrays
Algorithms
6 kyu
Sort odd and even numbers in different order
1,376
abdoMous
1 Issue Reported
Arrays
Fundamentals
Sorting
6 kyu
Simple time difference
1,375
KenKamau
3 Issues Reported
Algorithms
Date Time
Strings
6 kyu
Greatest Position Distance Between Matching Array Values
1,371
bryzaguy
3 Issues Reported
Algorithms
6 kyu
Cumulative Triangle
1,370
stephenyu
Algorithms
Geometry
6 kyu
Thinkful - Logic Drills: Red and bumpy
1,366
Grae-Drake
2 Issues Reported
Fundamentals
6 kyu
Check if two words are isomorphic to each other
1,365
rasmus_ri
1 Issue Reported
Algorithms
6 kyu
Bonuses
1,358
g964
Fundamentals
6 kyu
Floating-point Approximation (I)
1,357
g964
Fundamentals
Mathematics
6 kyu
Number , number ... wait LETTER !
1,357
wilcobreedt
1 Issue Reported
Strings
Mathematics
Fundamentals
6 kyu
Complete The Pattern #8 - Number Pyramid
1,357
DivyanshBatham
ASCII Art
Fundamentals
6 kyu
Nested List Depth
1,344
Nmistrata
Lists
Algorithms
6 kyu
Make A Window
1,332
Capocaccia
ASCII Art
Fundamentals
6 kyu
Ordinal Numbers
1,327
wthit56
2 Issues Reported
Strings
Algorithms
6 kyu
Consecutive Count
1,326
Capocaccia
2 Issues Reported
Fundamentals
6 kyu
Create a frame!
1,324
gabrielsiedler
Strings
Arrays
ASCII Art
Fundamentals
6 kyu
Sort sentence pseudo-alphabetically
1,316
Daremyth
2 Issues Reported
Sorting
Strings
Algorithms
6 kyu
Loneliest character
1,314
aplefull
Strings
Algorithms
6 kyu
Vowel Shifting
1,307
user5036852
2 Issues Reported
Strings
Regular Expressions
Algorithms
6 kyu
Sequence classifier
1,304
GiacomoSorbi
1 Issue Reported
Algorithms
6 kyu
Checkered Board
1,299
Katbow
Strings
ASCII Art
Fundamentals
6 kyu
High score table
1,297
kingcobra
1 Issue Reported
Algorithms
Sorting
Searching
Arrays
Object-oriented Programming
6 kyu
Reducing by rules to get the result
1,292
user5036852
Arrays
Logic
Algorithms
6 kyu
Alternating Loops
1,281
joh_pot
Fundamentals
Algorithms
6 kyu
Simple Fun #135: Missing Alphabets
1,279
myjinxin2015
Puzzles
6 kyu
Yes No Yes No
1,278
jaels
1 Issue Reported
Algorithms
6 kyu
Pete, the baker (part 2)
1,275
BattleRattle
2 Issues Reported
Algorithms
6 kyu
Odd/Even number of divisors
1,274
sergeyn
Mathematics
Performance
Algorithms
6 kyu
Proof Read
1,273
kkavita92
2 Issues Reported
Strings
Fundamentals
6 kyu
Master of Files
1,273
gomesalexandre
2 Issues Reported
Strings
Regular Expressions
Fundamentals
6 kyu
Simple decrypt algo
1,265
mkelty
Strings
Fundamentals
6 kyu
Simple square numbers
1,254
KenKamau
1 Issue Reported
Algorithms
6 kyu
Word Mesh
1,254
rt-hawk
1 Issue Reported
Regular Expressions
Arrays
Strings
Fundamentals
6 kyu
Array Exchange
1,250
hafizio
2 Issues Reported
Arrays
Algorithms
Fundamentals
6 kyu
SumFibs
1,243
benschac
2 Issues Reported
Algorithms
6 kyu
Midpoint Sum
1,240
AlejandorLazaro
3 Issues Reported
Lists
Fundamentals
6 kyu
Generic numeric template formatter
1,239
GiacomoSorbi
Regular Expressions
Strings
Algorithms
6 kyu
Prime factorization
1,237
wengzilla
2 Issues Reported
Algorithms
6 kyu
Simple Fun #15: Addition without Carrying
1,236
myjinxin2015
Puzzles
6 kyu
Divisible Ints
1,233
Shivo
1 Issue Reported
Algorithms
6 kyu
World Bits War
1,232
GiacomoSorbi
4 Issues Reported
Bits
Binary
Arrays
Fundamentals
6 kyu
Adding Binary Numbers
1,232
DivyanshBatham
1 Issue Reported
Binary
Bits
Fundamentals
6 kyu
Special Multiples
1,229
raulbc777
5 Issues Reported
Mathematics
Algorithms
Fundamentals
6 kyu
Required Data I
1,222
raulbc777
2 Issues Reported
Algorithms
Data Structures
Sorting
Fundamentals
6 kyu
Ranking NBA teams
1,218
g964
3 Issues Reported
Fundamentals
Strings
6 kyu
Simple Fun #165: Withdraw
1,218
myjinxin2015
3 Issues Reported
Puzzles
6 kyu
Number of measurements to spot the counterfeit coin
1,214
GiacomoSorbi
1 Issue Reported
Logic
Fundamentals
6 kyu
Find X
1,209
kodejuice
Puzzles
6 kyu
Polybius square cipher - encode
1,202
tiriana
1 Issue Reported
Cryptography
Ciphers
Algorithms
6 kyu
Plenty of Fish in the Pond
1,195
adrian.eyre
3 Issues Reported
Fundamentals
6 kyu
Running Average
1,186
user7657844
2 Issues Reported
Fundamentals
6 kyu
Words to Hex
1,184
jimmyhay
Strings
Arrays
Recursion
Fundamentals
6 kyu
Strongest even number in an interval
1,183
alexmate
1 Issue Reported
Algorithms
Mathematics
6 kyu
PhoneWords
1,176
mario.mg
Strings
Fundamentals
6 kyu
Regex Tic Tac Toe Win Checker
1,172
tachyonlabs
Games
Regular Expressions
Fundamentals
6 kyu
Pell Numbers
1,168
Valek
3 Issues Reported
Algorithms
6 kyu
Count the photos!
1,153
billgewrgoulas
1 Issue Reported
Algorithms
Performance
Arrays
6 kyu
String Suffixes
1,153
debri
1 Issue Reported
Strings
Logic
Arrays
Algorithms
6 kyu
Basics 06: Reversing and Combining Text
1,148
smile67
2 Issues Reported
Strings
Arrays
Fundamentals
6 kyu
Piano Kata, Part 2
1,147
tachyonlabs
1 Issue Reported
Fundamentals
6 kyu
String searching with wildcard
1,147
hansrusten
5 Issues Reported
Algorithms
6 kyu
Inserting multiple strings into another string
1,147
ollyfg
2 Issues Reported
Strings
Debugging
6 kyu
Reverse a singly-linked list
1,140
user5912378
Algorithms
6 kyu
Simple Fun #132: Number Of Carries
1,137
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
Points On A Line
1,130
prksingh
3 Issues Reported
Arrays
Geometry
Fundamentals
6 kyu
Not prime numbers
1,127
riyakayal
1 Issue Reported
Fundamentals
Performance
Algorithms
6 kyu
Address Book by State
1,125
g964
Fundamentals
Strings
6 kyu
Ping-Pong service problem
1,112
zorza
4 Issues Reported
Algorithms
6 kyu
Fractions class
1,109
Dr.RiD
2 Issues Reported
Fundamentals
Object-oriented Programming
6 kyu
Count Repeats
1,103
youngfeldt
Strings
Fundamentals
6 kyu
Most profit from stock quotes
1,102
arhigod
Puzzles
6 kyu
Find the Nexus of the Codewars Universe
1,099
bellmyer
2 Issues Reported
Algorithms
6 kyu
Spelling Bee
1,097
dinglemouse
1 Issue Reported
Fundamentals
6 kyu
Sort Strings by Most Contiguous Vowels
1,093
jlb071
Fundamentals
Strings
Sorting
6 kyu
The Walker
1,092
g964
Fundamentals
Geometry
6 kyu
Linear Regression of Y on X
1,092
ahmedbilalkhalid
2 Issues Reported
Statistics
Geometry
Fundamentals
Data Science
6 kyu
Missing Alphabet
1,087
MicheleCarbone
2 Issues Reported
Strings
Algorithms
Games
6 kyu
Numerical Palindrome #4
1,086
kkavita92
1 Issue Reported
Fundamentals
6 kyu
Binding within the List Monad
1,083
user578387
Monads
Lists
Algorithms
6 kyu
Unknown amount of duplicates. One missing number.
1,082
raulbc777
1 Issue Reported
Fundamentals
Mathematics
Arrays
Algorithms
Sorting
Performance
6 kyu
Keyword Cipher
1,079
user8580805
Cryptography
Strings
Algorithms
6 kyu
Linked Lists - Insert Sort
1,075
JDeBolt
1 Issue Reported
Linked Lists
Data Structures
Fundamentals
Sorting
6 kyu
Permutations and Dot Products
1,075
bkaes
Linear Algebra
Algorithms
6 kyu
Simple Fun #258: Is Divisible By 6
1,071
myjinxin2015
3 Issues Reported
Puzzles
6 kyu
What's Your Poison?
1,067
Tandyman
2 Issues Reported
Puzzles
Riddles
Algorithms
Bits
Fundamentals
6 kyu
I Liked the SQL Better...
1,063
xcthulhu
3 Issues Reported
SQL
Databases
Fundamentals
6 kyu
Simple nearest prime
1,060
KenKamau
Algorithms
6 kyu
Convert ISBN-10 to ISBN-13
1,057
dienesviktor
Algorithms
Regular Expressions
Fundamentals
Strings
6 kyu
Palindromic Numbers
1,055
edalorzo
2 Issues Reported
Algorithms
6 kyu
FIRE and FURY
1,053
dinglemouse
2 Issues Reported
Regular Expressions
Strings
Algorithms
6 kyu
Word to initial number
1,052
My-
1 Issue Reported
Strings
Fundamentals
6 kyu
Free pizza
1,052
kingcobra
1 Issue Reported
Fundamentals
Puzzles
6 kyu
Greatest Common Factor of an Array
1,051
Dragoris
1 Issue Reported
Fundamentals
Algorithms
6 kyu
Dictionary Merge
1,049
Kartoffelsalat
3 Issues Reported
Fundamentals
6 kyu
Thinking & Testing: A * B?
1,049
myjinxin2015
Puzzles
Games
6 kyu
Secret Message
1,046
lkspencer
2 Issues Reported
Algorithms
6 kyu
Password generator
1,045
user7657844
2 Issues Reported
Regular Expressions
Security
Fundamentals
6 kyu
Floating-point Approximation (II)
1,045
g964
2 Issues Reported
Fundamentals
6 kyu
Trumpness detector
1,044
GiacomoSorbi
2 Issues Reported
Regular Expressions
Strings
Algorithms
6 kyu
Min Factor Distance
1,042
aweleshetu
2 Issues Reported
Fundamentals
6 kyu
Leaderboard climbers
1,039
topping
Lists
Fundamentals
6 kyu
The latest clock
1,037
nirgn
Date Time
Fundamentals
Algorithms
6 kyu
Elimination Tournament
1,036
JOLee83
Arrays
Fundamentals
Algorithms
6 kyu
Mix Fruit Juice
1,034
Heathercoraje
Fundamentals
Arrays
6 kyu
Drunk friend
1,028
vasekhlav
Strings
Algorithms
Puzzles
6 kyu
Simple reversed parenthesis
1,024
KenKamau
1 Issue Reported
Fundamentals
6 kyu
Micro Optimization: Digit Sum
1,020
Voile
Fundamentals
6 kyu
Matrix Multiplier
1,017
stevehopkinson
Matrix
Algorithms
Linear Algebra
Mathematics
6 kyu
Faro Shuffle Count
1,012
DZGoldman
Lists
Iterators
Fundamentals
6 kyu
Find heavy ball - level: conqueror
1,011
tiriana
Puzzles
Logic
6 kyu
FizzBuzz Backwards
1,010
marbiru
2 Issues Reported
Fundamentals
6 kyu
Calculate the function f(x) for a simple linear sequence (Medium)
1,010
Mackay
2 Issues Reported
Mathematics
Fundamentals
6 kyu
Snakes & Ladders
1,005
dinglemouse
1 Issue Reported
Arrays
Fundamentals
6 kyu
House of cards
999
Tuhaj
Mathematics
6 kyu
Creating a string for an array of objects from a set of words
994
Vorgue
Fundamentals
Strings
Regular Expressions
6 kyu
The 5 Love Languages
986
anter69
Machine Learning
Algorithms
Data Science
6 kyu
Scheduling (Shortest Job First or SJF)
986
talamb
1 Issue Reported
Scheduling
Queues
Algorithms
6 kyu
Mr. Safety's treasures
985
dcieslak
1 Issue Reported
Puzzles
6 kyu
(L33T + Grεεκ) Case
982
DivyanshBatham
3 Issues Reported
Strings
Algorithms
Unicode
6 kyu
CamelCase to underscore
981
Blune
1 Issue Reported
Fundamentals
Regular Expressions
Algorithms
6 kyu
The Modulo-3 Sequence
981
user2514386
1 Issue Reported
Fundamentals
6 kyu
Pure odd digits primes
980
raulbc777
4 Issues Reported
Fundamentals
Algorithms
Mathematics
Data Structures
6 kyu
How Many Numbers?
980
raulbc777
6 Issues Reported
Fundamentals
Algorithms
Mathematics
Data Structures
6 kyu
The search for Primes! Twin Primes!
978
TySlothrop
Fundamentals
6 kyu
Perfect Square.
973
smolen
1 Issue Reported
Regular Expressions
Fundamentals
6 kyu
Ranking System
971
tostaylo
Fundamentals
6 kyu
Clay Pigeon Shooting
970
PG1
Fundamentals
Arrays
Strings
6 kyu
One down
965
WesleyYoung
1 Issue Reported
Strings
Algorithms
Cryptography
Puzzles
6 kyu
Simple Fun #116: Prime String
964
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
T.T.T.17: Split odd and even
952
myjinxin2015
Puzzles
Games
6 kyu
Dragon's Curve
948
Were_Cat
3 Issues Reported
Mathematics
Recursion
Algorithms
6 kyu
mkdir -p
944
xcthulhu
1 Issue Reported
Fundamentals
6 kyu
Replace letters
942
Dmitry Kudla
1 Issue Reported
Fundamentals
Strings
6 kyu
Your Ride Is Here
942
russelljjadams
1 Issue Reported
Algorithms
6 kyu
Pong! [Basics]
938
KDaryl
2 Issues Reported
Fundamentals
Games
Algorithms
Object-oriented Programming
6 kyu
Group in 10s
937
matthewglover
Arrays
Lists
Fundamentals
6 kyu
Create Four Letter Birding Codes from Bird Names
935
rt-hawk
1 Issue Reported
Arrays
Regular Expressions
Strings
Fundamentals
6 kyu
Bracket Duplicates
933
jpchou
1 Issue Reported
Strings
Regular Expressions
Algorithms
6 kyu
Remember
930
debri
Logic
Strings
Arrays
Algorithms
6 kyu
Simplify the number!
929
iamchingel
Fundamentals
6 kyu
Pile of towels
928
diggi55
Sorting
Algorithms
6 kyu
Longest palindrome
928
georgesykes86
2 Issues Reported
Arrays
Strings
Algorithms
6 kyu
Generala - Dice Game
927
pablo
1 Issue Reported
Games
Algorithms
6 kyu
Thinkful - Object Drills: Puzzlebox
927
Grae-Drake
Puzzles
6 kyu
The Spider and the Fly (Jumping Spider)
925
dinglemouse
1 Issue Reported
Algorithms
6 kyu
Chaser's schedule
924
RealSup
Logic
Algorithms
6 kyu
Numerical Palindrome #2
922
kkavita92
3 Issues Reported
Fundamentals
6 kyu
Ka Ka Ka cypher - words only vol 1
918
dcieslak
1 Issue Reported
Fundamentals
6 kyu
X marks the spot!
916
joh_pot
2 Issues Reported
Arrays
Algorithms
6 kyu
Two cube sums
914
hhelwich
2 Issues Reported
Fundamentals
6 kyu
Which filetypes are you using the most?
913
ok-john
Fundamentals
Algorithms
Strings
Arrays
6 kyu
Ideal electron distribution
910
SandQueen
Arrays
Lists
Algorithms
6 kyu
Wind component calculation
909
tpatja
4 Issues Reported
Mathematics
Geometry
Algorithms
6 kyu
Add All
903
sazzadshopno
Fundamentals
Mathematics
6 kyu
Integers: Recreation Two
903
g964
3 Issues Reported
Fundamentals
Mathematics
Puzzles
6 kyu
Disgruntled Employee
902
user5854572
Logic
Mathematics
Sorting
Arrays
Puzzles
6 kyu
Separating Strings
900
K-Calderon-ASC
Fundamentals
6 kyu
Simple Fun #170: Sum Groups
898
myjinxin2015
1 Issue Reported
Arrays
Algorithms
Lists
Data Structures
6 kyu
Esolang: MiniBitMove
894
user2514386
2 Issues Reported
Interpreters
Strings
Arrays
Bits
Esoteric Languages
Fundamentals
6 kyu
What's your running pace?
892
int3_0xcc
2 Issues Reported
Mathematics
Strings
Algorithms
Date Time
6 kyu
Fibonacci Rabbits
891
torret
Algorithms
6 kyu
Corner circle
887
@m1ll
2 Issues Reported
Mathematics
Puzzles
6 kyu
Coprimes up to N
886
rasmus_ri
1 Issue Reported
Mathematics
Algorithms
6 kyu
Custom Christmas Tree
882
myjinxin2015
Strings
ASCII Art
Puzzles
6 kyu
Digital cypher vol 3 - missing key
882
dcieslak
1 Issue Reported
Fundamentals
Ciphers
Cryptography
6 kyu
How much hex is the fish
880
strassi
5 Issues Reported
Strings
Fundamentals
6 kyu
Financing a purchase
878
g964
Fundamentals
Mathematics
6 kyu
Pack Some Chocolates
873
kgashok
2 Issues Reported
Fundamentals
6 kyu
Simple Fun #265: The Janitor And His Mop
873
myjinxin2015
Puzzles
6 kyu
Scrabble best word
873
AzariasB
Arrays
Algorithms
6 kyu
Node Mania
872
marcsantiago
Linked Lists
Algorithms
Data Structures
6 kyu
Decompose a number
867
NaMe613
3 Issues Reported
Algorithms
6 kyu
Esolang: Tick
847
user2514386
2 Issues Reported
Esoteric Languages
Interpreters
Strings
Arrays
Fundamentals
6 kyu
Help Mrs Jefferson
846
raulbc777
2 Issues Reported
Fundamentals
Data Structures
Arrays
Mathematics
6 kyu
Factorial length
842
KenKamau
Algorithms
6 kyu
Paths in the Grid
841
aryan-firouzian
Fundamentals
Mathematics
6 kyu
Steps in k-primes
840
g964
2 Issues Reported
Mathematics
Number Theory
6 kyu
Sequence convergence
839
KenKamau
Algorithms
6 kyu
■□ Pattern □■ : Wave
838
myjinxin2015
1 Issue Reported
ASCII Art
Puzzles
6 kyu
Derivatives of type x^n
836
huzeifa
Mathematics
6 kyu
Football - Yellow and Red Cards
831
RazNaot
1 Issue Reported
Lists
Fundamentals
6 kyu
Balance the arrays
831
finnhodgkin
Fundamentals
6 kyu
TV Remote (shift and space)
829
dinglemouse
Algorithms
6 kyu
Regexp basics - parsing time
827
taw
1 Issue Reported
Regular Expressions
Fundamentals
6 kyu
Matrix Trace
825
chipit24
1 Issue Reported
Linear Algebra
Mathematics
Matrix
Algorithms
6 kyu
Millipede of words
822
RealSup
Algorithms
Arrays
Strings
6 kyu
Complete The Pattern #9 - Diamond
821
DivyanshBatham
ASCII Art
Fundamentals
6 kyu
Happy Numbers
817
TySlothrop
Recursion
Arrays
Algorithms
6 kyu
Number Shortening Filter
817
GiacomoSorbi
Angular
Algorithms
6 kyu
JoJo's Bizarre Kata
817
GiacomoSorbi
1 Issue Reported
Fundamentals
Regular Expressions
Strings
6 kyu
Normalizing Out of Range Array Indexes
817
NPN
1 Issue Reported
Arrays
Algorithms
6 kyu
chmod calculator in octal.
816
nbeck
Fundamentals
6 kyu
Vector Affinity
814
keithhamilton
3 Issues Reported
Data Structures
Algorithms
6 kyu
Sort the columns of a csv-file
813
user5036852
Strings
Arrays
Algorithms
Sorting
6 kyu
Solomon's Quest for the Temporal Crystal
809
docgunthrop
1 Issue Reported
Fundamentals
6 kyu
Help Suzuki purchase his Tofu!
809
user8476848
Algorithms
Data Structures
Fundamentals
6 kyu
bread sandwiches
808
herrungesund
Strings
Algorithms
6 kyu
VIN Checker
808
lfhohmann
Strings
Logic
Algorithms
6 kyu
Grill it!
806
dcieslak
2 Issues Reported
Strings
Binary
Fundamentals
6 kyu
Will the present fit?
805
NPN
2 Issues Reported
Arrays
Algorithms
6 kyu
Getting MAD
800
jteodoro
Fundamentals
Arrays
Algorithms
6 kyu
Minutes to Midnight
799
zruF
2 Issues Reported
Date Time
Fundamentals
6 kyu
[Minecraft Series #2] Minimum amount of fuel needed to get some iron ingots
798
arwengu
1 Issue Reported
Fundamentals
6 kyu
Rotation Cipher Cracker
792
NicholasSeward
2 Issues Reported
Ciphers
Cryptography
Algorithms
Security
Puzzles
6 kyu
Simple arithmetic progression
791
KenKamau
Algorithms
6 kyu
Simple division
788
KenKamau
1 Issue Reported
Fundamentals
6 kyu
Round and Round
786
Voile
Fundamentals
Debugging
6 kyu
Sequence generator
786
NaMe613
Fundamentals
6 kyu
SMS Lottery Bet Validator
783
anter69
Algorithms
6 kyu
Count and Group Character Occurrences in a String
781
Mackay
Fundamentals
6 kyu
A functional deck of cards....
776
thatrubylove
5 Issues Reported
Functional Programming
Fundamentals
6 kyu
Linked Lists - Recursive Reverse
775
JDeBolt
2 Issues Reported
Linked Lists
Data Structures
Algorithms
6 kyu
Multiply list by integer (with restrictions)
774
suic
3 Issues Reported
Puzzles
Lists
Functional Programming
Restricted
6 kyu
Count words
773
eugene-katsevman
Strings
Regular Expressions
Fundamentals
6 kyu
Highest number with two prime factors
771
raulbc777
4 Issues Reported
Fundamentals
Mathematics
6 kyu
Look and say sequence generator
770
GiacomoSorbi
Strings
Regular Expressions
Fundamentals
6 kyu
What will be the odd one out?
770
joh_pot
1 Issue Reported
Strings
Arrays
Performance
Algorithms
6 kyu
Filling an array (part 2)
768
RobinKnipe
1 Issue Reported
Arrays
Algorithms
Fundamentals
6 kyu
Caesar Cipher Encryption - Variation
766
patrickwalkowicz
Algorithms
Cryptography
6 kyu
8 inch pizza equivalence
763
kingcobra
Geometry
Mathematics
Fundamentals
6 kyu
Transpose of a Matrix
761
debri
4 Issues Reported
Linear Algebra
Matrix
Data Structures
Mathematics
Arrays
Fundamentals
6 kyu
How many feelings?
760
Dmitry Kudla
2 Issues Reported
Fundamentals
Strings
6 kyu
Temperature converter
760
kusm
4 Issues Reported
Functional Programming
Data Structures
Strings
Mathematics
Fundamentals
6 kyu
Word Segmentation: MaxMatch
750
ewingsa
1 Issue Reported
Parsing
Recursion
Strings
Arrays
Algorithms
6 kyu
Range function
750
wichu
3 Issues Reported
Fundamentals
6 kyu
Possibilities of throwing a coin n times
746
gerardet46
3 Issues Reported
Mathematics
Statistics
Permutations
Performance
6 kyu
regex pattern to check if string has all characters
744
albertogcmr
1 Issue Reported
Regular Expressions
Fundamentals
Strings
6 kyu
Add commas to a number
744
tdowek1
Regular Expressions
Fundamentals
6 kyu
Zeros and Ones
741
kodejuice
Puzzles
Logic
Algorithms
6 kyu
Cancer cells
737
smolen
Regular Expressions
Fundamentals
6 kyu
Vending Machine
737
adrian.eyre
Arrays
Fundamentals
6 kyu
Remove a Specific Element of an Array
731
raulbc777
2 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
6 kyu
Parse bank account number
730
arhigod
Strings
Puzzles
6 kyu
Integer with the longest Collatz sequence
730
jsms90
1 Issue Reported
Algorithms
Mathematics
Fundamentals
6 kyu
Complete The Pattern #12
730
DivyanshBatham
1 Issue Reported
ASCII Art
Fundamentals
6 kyu
IntroToArt
729
citharista
2 Issues Reported
Arrays
Strings
ASCII Art
Fundamentals
6 kyu
Keyword Cipher Helper
727
jacobb
2 Issues Reported
Cryptography
Ciphers
Security
Object-oriented Programming
Strings
6 kyu
SHA-256 Cracker
721
alexpop
Security
Algorithms
Puzzles
6 kyu
IP address finder [Code-golf]
720
___i
Strings
Arrays
Restricted
Puzzles
6 kyu
I love big nums and I cannot lie
719
joh_pot
2 Issues Reported
Strings
Arrays
Algorithms
6 kyu
Merge in 2048
719
mrfox
2 Issues Reported
Games
Arrays
Algorithms
6 kyu
Alphabet wars - reinforces massacre
718
dcieslak
1 Issue Reported
Fundamentals
Strings
6 kyu
Rotate matrix counter - clockwise N - times!
717
Hackito
Algorithms
Matrix
6 kyu
Complete the table pattern
715
myjinxin2015
ASCII Art
Puzzles
6 kyu
Mighty Hero
710
PoulYak
Fundamentals
Algorithms
Mathematics
6 kyu
Same Array?
710
osofem
3 Issues Reported
Fundamentals
Arrays
6 kyu
Save the Spice Harvester (Dune Universe)
702
docgunthrop
3 Issues Reported
Fundamentals
6 kyu
DefaultList
701
beniolenio
Fundamentals
6 kyu
Name to Matrix
701
Coder_38
1 Issue Reported
Strings
Arrays
Algorithms
Matrix
6 kyu
Timer Decorator
700
filipkonieczny
3 Issues Reported
Fundamentals
Design Patterns
Object-oriented Programming
Date Time
6 kyu
String reduction
697
KenKamau
2 Issues Reported
Fundamentals
6 kyu
Find Numbers with Same Amount of Divisors
694
raulbc777
4 Issues Reported
Algorithms
Mathematics
Data Structures
Fundamentals
6 kyu
Find the First Number in Having a Certain Number of Divisors I
693
raulbc777
3 Issues Reported
Fundamentals
Mathematics
Data Structures
Dynamic Programming
Memoization
6 kyu
Baby Magpies
690
dinglemouse
Algorithms
6 kyu
Even Odd Pattern #1
690
debri
1 Issue Reported
Logic
Arrays
Mathematics
Puzzles
6 kyu
Tick Toward
690
ptolemybarnes
1 Issue Reported
Arrays
Fundamentals
6 kyu
Case Reversal of Consecutive Duplicates
688
glenoakes
Fundamentals
6 kyu
Kids and candies
688
sebaas
1 Issue Reported
Algorithms
6 kyu
Complete The Pattern #16
686
DivyanshBatham
ASCII Art
Fundamentals
6 kyu
Two Sets of Equal Sum
685
brodiemark
Arrays
Algorithms
6 kyu
Ore Numbers
684
mxwil
1 Issue Reported
Mathematics
Fundamentals
Algorithms
6 kyu
HTML Complementary Color
683
goodwin64
7 Issues Reported
Fundamentals
6 kyu
Levenshtein Distance
681
petermaier1
Strings
Algorithms
6 kyu
String Pyramid
680
user5036852
1 Issue Reported
Mathematics
Strings
Algorithms
ASCII Art
6 kyu
Linked Lists - Sorted Merge
680
JDeBolt
2 Issues Reported
Linked Lists
Data Structures
Algorithms
6 kyu
Vowel Recognition
679
sazzadshopno
Algorithms
Performance
6 kyu
Numerical Palindrome #3
678
kkavita92
1 Issue Reported
Fundamentals
6 kyu
Hollow array
677
aweleshetu
Arrays
Fundamentals
6 kyu
GA-DE-RY-PO-LU-KI cypher vol 2
677
dcieslak
Fundamentals
Ciphers
Cryptography
6 kyu
Another one down—the Survival of the Fittest!
676
bkaes
2 Issues Reported
Lists
Arrays
Fundamentals
6 kyu
Wheel of Fortune
674
Uraza
2 Issues Reported
Games
Arrays
Algorithms
6 kyu
What adds up
673
kaffepanna
5 Issues Reported
Arrays
Searching
Algorithms
6 kyu
Numerical Palindrome #3.5
672
kkavita92
1 Issue Reported
Arrays
Fundamentals
6 kyu
The queen on the chessboard
671
matdlu
Arrays
Fundamentals
6 kyu
Simple Fun #319: Number And IP Address
670
myjinxin2015
1 Issue Reported
Algorithms
6 kyu
Simple array rotation
667
KenKamau
Arrays
Algorithms
6 kyu
Even Binary Sorting
666
Karrotts
Binary
Sorting
Algorithms
Fundamentals
6 kyu
Nut Farm
664
dinglemouse
1 Issue Reported
Strings
Algorithms
6 kyu
Count a Spiral
659
Flurin Brühwiler
Puzzles
6 kyu
The PaperFold sequence
659
JohanWiltink
Algorithms
6 kyu
Traffic Lights - one car
658
dinglemouse
Algorithms
6 kyu
I'm longer than you!
658
Pixie11
2 Issues Reported
Strings
Fundamentals
6 kyu
Simple sum of pairs
657
KenKamau
1 Issue Reported
Fundamentals
6 kyu
N-Point Crossover
654
cacr
Algorithms
Fundamentals
6 kyu
Palindromization
652
Detecter
4 Issues Reported
Strings
Algorithms
6 kyu
Pandas Series 102: Max From Common DataFrames
646
albertogcmr
Data Frames
Fundamentals
Data Science
6 kyu
Penguin Olympics: Swimming Race Disaster
644
mrbenbot
1 Issue Reported
Puzzles
6 kyu
Simple Fun #354: Lonely Frog III
643
myjinxin2015
Algorithms
6 kyu
Sort the number sequence
643
myjinxin2015
4 Issues Reported
Puzzles
Sorting
Algorithms
6 kyu
Exclamation marks series #10: Remove some exclamation marks to keep the same number of exclamation marks at the beginning and end of each word
643
myjinxin2015
Fundamentals
6 kyu
Linked Lists - Shuffle Merge
640
JDeBolt
1 Issue Reported
Linked Lists
Data Structures
Algorithms
6 kyu
Triangle of Multiples (Easy One)
639
raulbc777
7 Issues Reported
Mathematics
Data Structures
Fundamentals
6 kyu
DNA Sequence Tester
639
msachi
1 Issue Reported
Fundamentals
Strings
6 kyu
Read the time
634
KenKamau
1 Issue Reported
Fundamentals
6 kyu
Find the total white and black areas in a strange chessboard
633
benjaminzwhite
Fundamentals
Algorithms
Puzzles
Mathematics
6 kyu
Domino Reaction
623
grensley
1 Issue Reported
Fundamentals
6 kyu
Message from Aliens
621
dcieslak
3 Issues Reported
Puzzles
Fundamentals
6 kyu
Magic The Gathering #1: Creatures
618
NateBrady23
1 Issue Reported
Algorithms
Fundamentals
Arrays
Games
6 kyu
Summation Of Primes
617
maxwellmlin
1 Issue Reported
Algorithms
Mathematics
6 kyu
Disguised sequences (II)
617
g964
1 Issue Reported
Puzzles
Discrete Mathematics
Mathematics
6 kyu
The rarest pepe
616
kingcobra
3 Issues Reported
Algorithms
6 kyu
Find an area
614
idzmitry
4 Issues Reported
Algorithms
Graphs
6 kyu
Last digit symmetry
613
KenKamau
Algorithms
6 kyu
Texting with an old-school mobile phone
609
B1ts
Fundamentals
Strings
Algorithms
6 kyu
Get All Possible Anagrams from a Hash
608
Mackay
Puzzles
6 kyu
Optimal Taxi Fare
607
Lauriy
Mathematics
Algebra
Puzzles
6 kyu
Missing Angle
605
user5196477
1 Issue Reported
Algorithms
Mathematics
Geometry
6 kyu
Update inventory in your smartphone store
603
PiotrBerebecki
2 Issues Reported
Algorithms
Data Structures
Arrays
6 kyu
TV Remote (wrap)
601
dinglemouse
Algorithms
6 kyu
Ticker
601
nesusvet
Fundamentals
6 kyu
Turkish National Identity Number
599
keune
3 Issues Reported
Algorithms
6 kyu
Character limits: How long is your piece of string?
596
curiousrabbit
Fundamentals
Strings
6 kyu
Death by Coffee
596
dinglemouse
2 Issues Reported
Puzzles
6 kyu
compute cube as sums
593
a15n
3 Issues Reported
Puzzles
6 kyu
ROT13 variant cipher
593
user8580805
1 Issue Reported
Cryptography
Security
Strings
Algorithms
6 kyu
Binary Coded Decimal
593
chipit24
2 Issues Reported
Algorithms
6 kyu
Cycle Detection: greedy algorithm
593
Were_Cat
3 Issues Reported
Mathematics
Algorithms
6 kyu
[Code Golf] Get the Square of a Number without ** or * or pow()
592
user2514386
3 Issues Reported
Mathematics
Restricted
Puzzles
6 kyu
SMS Shortener
592
Bugari
4 Issues Reported
Algorithms
Fundamentals
Strings
6 kyu
Fat Fingers
590
jinbolee28
2 Issues Reported
Strings
Fundamentals
6 kyu
Get Password from grid
590
kodejuice
2 Issues Reported
Logic
Arrays
Algorithms
Data Structures
6 kyu
Wordify an integer
587
MMMAAANNN
1 Issue Reported
Algorithms
6 kyu
Travelling on a Grid
585
mmalkavian
Puzzles
Algorithms
6 kyu
A for Apple
585
sunboshan
2 Issues Reported
ASCII Art
Fundamentals
6 kyu
Unknown Amount of Missing Numbers in an Unordered Array. (Hardcore version)
584
raulbc777
4 Issues Reported
Algorithms
Performance
Arrays
Fundamentals
6 kyu
All Star Code Challenge #23
584
shaddyjr
3 Issues Reported
Fundamentals
6 kyu
Parity bit - Error detecting code
583
pshp
Algorithms
Binary
Strings
Fundamentals
6 kyu
One is the loneliest number
581
albertogcmr
Lists
Puzzles
6 kyu
Modulus 11 - Check Digit
581
bmw318mt
Algorithms
6 kyu
The Freeway Game
580
dinglemouse
Algorithms
6 kyu
Feed Kahumolings!
580
MMMAAANNN
Algorithms
6 kyu
Scheduling (Round-Robin)
576
talamb
1 Issue Reported
Algorithms
6 kyu
Grocer Grouping
575
ksami
Fundamentals
6 kyu
Cuckoo Clock
574
brodiemark
Strings
Date Time
6 kyu
Simple ROT13.5 cypher
574
user9247539
Algorithms
Fundamentals
Ciphers
Cryptography
6 kyu
Simple Fun #303: Prime Product
573
myjinxin2015
Fundamentals
6 kyu
Weird IPv6 hex string parsing
572
Timm3D
Parsing
Algorithms
6 kyu
Seven "ate" nine!
571
isnotafunction
Regular Expressions
Fundamentals
6 kyu
Vowel-consonant lexicon
571
KenKamau
Strings
Arrays
Algorithms
6 kyu
String character frequency
567
KenKamau
Strings
Algorithms
6 kyu
Countdown - Longest Word
567
AcesOfGlory
2 Issues Reported
Strings
Arrays
Fundamentals
6 kyu
Find Added
566
tostaylo
1 Issue Reported
Fundamentals
Strings
6 kyu
Check by Queen
565
dukies_2000
Fundamentals
6 kyu
Cambridge Word Scramble
564
kylebuttner
3 Issues Reported
Strings
Regular Expressions
Fundamentals
6 kyu
Cryptography #1 - Viva Cesare
562
Dentzil
Fundamentals
Cryptography
Algorithms
6 kyu
Traverse array elements diagonally
561
kodejuice
1 Issue Reported
Arrays
Logic
Algorithms
6 kyu
Thue-Morse Sequence
559
SandQueen
1 Issue Reported
Strings
Binary
Algorithms
6 kyu
Multiples by permutations
559
raulbc777
3 Issues Reported
Algorithms
Data Structures
Permutations
Mathematics
Fundamentals
6 kyu
Bug Fix - Quick Sort
558
Drymonade
1 Issue Reported
Sorting
Algorithms
Fundamentals
Debugging
6 kyu
Sum of nested numbers
557
buttonupbub
2 Issues Reported
Fundamentals
6 kyu
Simple Fun #210: Maximize Points
556
myjinxin2015
Algorithms
Fundamentals
6 kyu
ATM money counter
555
ost-k
Regular Expressions
Mathematics
Fundamentals
6 kyu
Smart Traffic Lights
553
user2514386
Fundamentals
Object-oriented Programming
6 kyu
Compare section numbers
553
ecolban
Strings
Regular Expressions
Fundamentals
6 kyu
Simple Fun #219: Light Bulbs
552
myjinxin2015
Puzzles
Algorithms
6 kyu
You are a Robot: Translating a Path
550
Jar3dception
Strings
Algorithms
6 kyu
Linked Lists - Iterative Reverse
547
JDeBolt
5 Issues Reported
Linked Lists
Data Structures
Algorithms
6 kyu
Letter triangles
546
tomatosonic
Algorithms
6 kyu
The lost beginning
545
CatPlusPlus
Fundamentals
Algorithms
Strings
Mathematics
6 kyu
Simple Fun #217: Sort By Guide
543
myjinxin2015
Algorithms
Arrays
Sorting
6 kyu
Monkey Talk
541
Capocaccia
Fundamentals
Strings
Puzzles
6 kyu
Simple Fun #283: Censor The Forbidden Words
541
myjinxin2015
Fundamentals
6 kyu
Simple Fun #247: To And From
538
myjinxin2015
Fundamentals
6 kyu
Mastermind Hint Pegs
537
JKphobic
Arrays
Games
Algorithms
6 kyu
Decipher Student Messages
535
Shahmeer
3 Issues Reported
Strings
Ciphers
6 kyu
Are you available?
535
patrickwalkowicz
1 Issue Reported
Algorithms
6 kyu
Summarize ranges
535
joh_pot
1 Issue Reported
Arrays
Algorithms
6 kyu
You look like a classy instance! Show me what you've got! - Part 1
534
Skratch
1 Issue Reported
Data Structures
Strings
Lists
Fundamentals
Object-oriented Programming
6 kyu
Sum the nums, sum the sums and sum the nums up to that sum
529
slimedog
Mathematics
Fundamentals
6 kyu
Simple Fun #396: Find the Longest Substring Consisting of Unique Characters
529
myjinxin2015
Algorithms
Strings
Fundamentals
6 kyu
Routes in a square grid
528
NaMe613
Fundamentals
Puzzles
6 kyu
Playing With Toy Blocks ~ Can you build a 4x4 square?
526
rowcased
Logic
Arrays
Games
Puzzles
Geometry
Algorithms
6 kyu
FizzBuzz++
526
LSmith-Zenoscave
Algorithms
6 kyu
Socialist distribution
523
GiacomoSorbi
Arrays
Lists
Statistics
Algorithms
6 kyu
Pretty date
522
burce
3 Issues Reported
Date Time
Fundamentals
6 kyu
Simple missing sum
521
KenKamau
Algorithms
6 kyu
Find the in-between point
521
geoffp
Fundamentals
Geometry
Mathematics
Algorithms
6 kyu
MTV Cribs
521
St3f4n
Fundamentals
ASCII Art
6 kyu
Closest Sum
521
smepple
2 Issues Reported
Fundamentals
6 kyu
Prime reduction
519
KenKamau
1 Issue Reported
Algorithms
6 kyu
Common directory path
519
arhigod
2 Issues Reported
Strings
Puzzles
6 kyu
The Hunger Games - Foxes and Chickens
517
dinglemouse
Fundamentals
6 kyu
UN-usual Sort
517
ZozoFouchtra
2 Issues Reported
Sorting
Arrays
Fundamentals
6 kyu
Simple max digit sum
516
KenKamau
1 Issue Reported
Algorithms
6 kyu
Evaluating prefix Polish notation
510
interphx
Parsing
Mathematics
Algorithms
Lists
Strings
Fundamentals
6 kyu
Abundant Numbers
510
user2821739
3 Issues Reported
Fundamentals
Mathematics
Algorithms
6 kyu
Range Parser
510
DeepSpace
Algorithms
Parsing
Strings
Fundamentals
6 kyu
Alien Beer Morse Code
510
tim_othy
Fundamentals
6 kyu
For whom the Bell tolls
509
Kees de Vreugd
Algorithms
Logic
Puzzles
6 kyu
Most Consecutive Zeros of a Binary Number
509
ajLapid718
Fundamentals
Mathematics
Strings
6 kyu
Real Password Cracker
509
anter69
Security
Cryptography
Algorithms
6 kyu
Life without primes
507
KenKamau
Algorithms
6 kyu
Password Maker
506
dinglemouse
1 Issue Reported
Fundamentals
6 kyu
Area and perimeter of the ellipse
506
drogimex
Fundamentals
6 kyu
Kingdoms Ep1: Jousting
503
Schulzkafer
1 Issue Reported
Fundamentals
Arrays
6 kyu
Prime Word
503
sazzadshopno
Fundamentals
6 kyu
Diamonds and Toads
503
nbeck
1 Issue Reported
Fundamentals
Strings
6 kyu
Simple Fun #156: Rotate Paper By 180 Degrees
499
myjinxin2015
Puzzles
6 kyu
Simple Fun #158: Not So Random
497
myjinxin2015
Puzzles
6 kyu
Digit Recovery
496
zruF
2 Issues Reported
Algorithms
6 kyu
Enigeliisohe too Eniigeeliiisoohee Toroanisoliatooro
495
DonaldKronos
4 Issues Reported
Regular Expressions
Strings
Algorithms
6 kyu
Integer reduction
492
KenKamau
Algorithms
6 kyu
Onion array
492
aweleshetu
1 Issue Reported
Fundamentals
6 kyu
Maximum Depth of Nested Brackets
491
nachoMonllor
Strings
Performance
Algorithms
6 kyu
Fibonacci on roids
490
GiacomoSorbi
1 Issue Reported
Recursion
Lists
Arrays
Algorithms
6 kyu
Bishop Movement checker
489
user7314902
1 Issue Reported
Games
Mathematics
Algorithms
6 kyu
Linked Lists - Sorted Intersect
489
JDeBolt
2 Issues Reported
Linked Lists
Data Structures
Algorithms
6 kyu
Spy games - rebuild your decoder
488
mkelty
1 Issue Reported
Fundamentals
6 kyu
LOTTO 6 aus 49 - 6 of 49
488
user5036852
2 Issues Reported
Mathematics
Algorithms
6 kyu
IPv4 Parser
487
icaruspassion
2 Issues Reported
Networks
Binary
Bits
Mathematics
Algorithms
6 kyu
Goldbach's Conjecture
487
rsalgado
Algorithms
Number Theory
6 kyu
Kingdoms Ep2: The curse (simplified)
481
Schulzkafer
1 Issue Reported
Fundamentals
Arrays
Regular Expressions
6 kyu
Upside-Down Pyramid Addition...REVERSED!
481
Whimpers
1 Issue Reported
Mathematics
Algorithms
6 kyu
Is it an isogram?
481
DiegoSalazar
Algorithms
Strings
6 kyu
Unpack delicious sausages!
478
WellWellWell
Data Structures
Fundamentals
6 kyu
Gravity Flip (3D version)
477
LogicalX
Puzzles
Arrays
6 kyu
Ciphers #2 - The reversed Cipher
476
ngmhprogramming
1 Issue Reported
Fundamentals
6 kyu
Amidakuji
475
docgunthrop
Arrays
Fundamentals
6 kyu
Simple Fun #186: Duplicate Phone Numbers
474
myjinxin2015
Algorithms
6 kyu
Count the Islands
474
SteveRuble
Algorithms
Graphics
Arrays
6 kyu
Array to HTML table
473
David Gildour
Arrays
Fundamentals
6 kyu
Chess piece values
472
St3f4n
2 Issues Reported
Arrays
Fundamentals
6 kyu
Convert Lambda To Def
471
The-Kingfisher
Fundamentals
Strings
Regular Expressions
6 kyu
Simple Fun #326a: The Shorterest Time
470
JohanWiltink
Puzzles
Games
Fundamentals
6 kyu
Cubic Tap Code
469
KayleighWasTaken
Ciphers
Algorithms
Cryptography
6 kyu
Longest Strict Bouncy Subarray
469
raulbc777
Performance
Algorithms
Mathematics
Data Structures
Arrays
6 kyu
Simple Fun #78: Build Palindrome
469
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
String Shortener (shrink)
468
serkanyersen
1 Issue Reported
Strings
Fundamentals
6 kyu
Return String As Sorted Blocks
467
airatmulk
Strings
Algorithms
Sorting
6 kyu
Find the Order Breaker
466
frkn2076
1 Issue Reported
Fundamentals
6 kyu
Experimenting with a sequence of complex numbers
466
g964
Fundamentals
Puzzles
6 kyu
Ping Pong
464
dinglemouse
1 Issue Reported
Algorithms
6 kyu
Reorder Array 2
464
Beast
2 Issues Reported
NumPy
Fundamentals
6 kyu
Madhav array
463
aweleshetu
Algorithms
6 kyu
String Evaluation
463
sataman
Strings
Algorithms
6 kyu
#1 Sequences: Pure Even Digit Perfect Squares (P.E.D.P.S)
460
raulbc777
Mathematics
Algorithms
6 kyu
Geometry Basics: Triangle Area in 2D
459
taw
2 Issues Reported
Geometry
Fundamentals
6 kyu
Is it a Set?
458
Yilian
Games
Logic
Algorithms
6 kyu
Largest integer exponent
457
aweleshetu
Mathematics
Fundamentals
6 kyu
Tracking Sums in a Process
457
raulbc777
3 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Sorting
Puzzles
6 kyu
Shorter Path
456
Nancy27
3 Issues Reported
Fundamentals
6 kyu
Make everyone happy :)
454
Djacon
Fundamentals
Algorithms
Strings
6 kyu
Reverse FizzBuzz
452
dhodson
1 Issue Reported
Puzzles
6 kyu
Largest Number Arrangement
449
belenox
3 Issues Reported
Permutations
Fundamentals
6 kyu
Gray Code
447
Were_Cat
2 Issues Reported
Algorithms
6 kyu
Expected Type Decorator
442
filipkonieczny
Fundamentals
Design Patterns
Object-oriented Programming
6 kyu
Take a picture !
442
nogainbar
2 Issues Reported
Regular Expressions
Fundamentals
6 kyu
Crashing Boxes
440
marbiru
Fundamentals
6 kyu
Word Challenges at School
440
raulbc777
4 Issues Reported
Fundamentals
Logic
Strings
Data Structures
Algorithms
6 kyu
Find the discounted prices
440
GiacomoSorbi
2 Issues Reported
Arrays
Lists
Algorithms
6 kyu
Linked Lists - Merge Sort
440
JDeBolt
1 Issue Reported
Linked Lists
Data Structures
Algorithms
Sorting
Recursion
6 kyu
Partial Keys
438
phildinius
Regular Expressions
6 kyu
Arrays of cats and dogs
437
KenKamau
Algorithms
6 kyu
Walk-up Stairs
437
m47r1x
ASCII Art
Fundamentals
6 kyu
These aren't the numbers you're looking for! (Find a number by approximation)
436
user5036852
Fundamentals
Logic
Mathematics
Algorithms
6 kyu
Columnize
435
beyaz.frambuaz
Fundamentals
Strings
Algorithms
6 kyu
Selective memory
434
cyril-lemaire
1 Issue Reported
Fundamentals
6 kyu
Basic Bitmapping
433
spcbrn
1 Issue Reported
Bits
Arrays
Sets
Lists
Algorithms
Recursion
6 kyu
Find the Nth Catalan number
433
user4790725
1 Issue Reported
Big Integers
Algorithms
Mathematics
6 kyu
Colorful Number
433
msg7086
1 Issue Reported
Algorithms
6 kyu
Matrix Rotation
432
cyril-lemaire
Matrix
Fundamentals
6 kyu
Dominant primes
431
KenKamau
1 Issue Reported
Fundamentals
6 kyu
Get the addresses of all Google Sheets cells in the range
430
Alexandre888
Algorithms
Arrays
6 kyu
Shortest Distance to a Character
429
CRYPTON
Strings
Algorithms
6 kyu
Unary Messages
428
S_OK
1 Issue Reported
Fundamentals
6 kyu
Line Safari : Point distance from a line
427
dinglemouse
1 Issue Reported
Geometry
Algorithms
6 kyu
Simple Fun #301: Rope Skipping Game
427
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
Coding 3min: Virus in Apple
427
myjinxin2015
Puzzles
Games
6 kyu
Fill in the gaps in my timesheet.
427
Insti
Arrays
Algorithms
6 kyu
Sort two arrays
425
myjinxin2015
2 Issues Reported
Puzzles
Fundamentals
Sorting
Algorithms
Arrays
6 kyu
Santa's Missing Gift List
425
omegahm
Binary
Algorithms
6 kyu
Simple Fun #161: Replace Dashes As One
424
myjinxin2015
Algorithms
6 kyu
Linux history and `!` command. Series#1 The `!!` command
422
nbeck
Strings
Parsing
Regular Expressions
Algorithms
6 kyu
XOR string reduction
417
MercQueen
Strings
Mathematics
Restricted
6 kyu
Get root property name
417
kodejuice
2 Issues Reported
Data Structures
Fundamentals
6 kyu
Split all even numbers to odd ones in different ways
417
user5036852
1 Issue Reported
Arrays
Logic
Algorithms
6 kyu
Card game
416
Dmitry Kudla
Algorithms
Games
Strings
6 kyu
Unique Strings
416
aditya7iyengar
2 Issues Reported
Algorithms
6 kyu
Simple Fun #91: Unique Digit Products
414
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
Interlace an arbitrary Number of Strings
414
oliverjam
Fundamentals
6 kyu
80's Kids #4: Legends of the Hidden Temple
413
NateBrady23
1 Issue Reported
Games
Algorithms
6 kyu
Union of Intervals
413
kgashok
Mathematics
Fundamentals
6 kyu
Checkerboard Resolution
410
Kacarott
Performance
Algorithms
Matrix
6 kyu
Find Number With Maximum Number Of Divisors
410
A D L Σ R
1 Issue Reported
Fundamentals
Mathematics
6 kyu
[Code Golf] Optional Walrus?
407
Chris_Rands
Restricted
Puzzles
6 kyu
Regexp basics - parsing integers
407
taw
1 Issue Reported
Regular Expressions
Fundamentals
6 kyu
Pig Sursurunga
404
ZozoFouchtra
Strings
Regular Expressions
Fundamentals
6 kyu
Exponential-Golomb Decoder
403
obnounce
Algorithms
6 kyu
Get the Excel column title!
402
goodwin64
Algorithms
6 kyu
Last non-zero digit of factorial
401
mauro-1
Mathematics
Algorithms
6 kyu
Converting Measures
401
PollyRibeiro
1 Issue Reported
Regular Expressions
Algorithms
6 kyu
Simple Fun #121: Mr. Odd
401
myjinxin2015
Puzzles
6 kyu
Hungarian Vowel Harmony (harder)
401
suic
Strings
Fundamentals
6 kyu
Codewars Leaderboard
400
jamad
Fundamentals
6 kyu
Complete The Pattern #11 - Plus
400
DivyanshBatham
ASCII Art
Fundamentals
6 kyu
Dividers of primes
397
FireITHole
1 Issue Reported
Mathematics
6 kyu
Calendar Week
396
chvonrohr
Date Time
Algorithms
6 kyu
Frequency Analysis With Buckets
395
ajLapid718
2 Issues Reported
Fundamentals
Arrays
Sorting
6 kyu
Parse the log
394
IVBakker
4 Issues Reported
Regular Expressions
Parsing
Fundamentals
6 kyu
Evening up a workload
393
ChristianECooper
Lists
Algorithms
6 kyu
JSON Class Decorator
392
SquishyStrawberry
Fundamentals
Object-oriented Programming
6 kyu
(a+b)^n
391
LearningFTW
Mathematics
Algebra
Strings
6 kyu
GA-DE-RY-PO-LU-KI cypher vol 3 - Missing key
390
dcieslak
Fundamentals
Ciphers
Cryptography
6 kyu
Slices of a Series of Digits
390
noku
Algorithms
Data Structures
6 kyu
Acronym Buster
389
pbywater
1 Issue Reported
Regular Expressions
Parsing
Strings
Algorithms
6 kyu
Block Letter Printer
388
Galvlbit
1 Issue Reported
Strings
ASCII Art
Algorithms
6 kyu
Am I safe to drive?
388
adrian.eyre
3 Issues Reported
Fundamentals
6 kyu
Decode Diagonal
388
nsmith7989
1 Issue Reported
Algorithms
6 kyu
Identify the array's ordering
387
edewsbery
1 Issue Reported
Arrays
Strings
Algorithms
Fundamentals
6 kyu
Prime Primes
386
rprendergast180
Algorithms
6 kyu
Text align right
385
depperm
Algorithms
Strings
6 kyu
Binary multiplication.
381
aweleshetu
Mathematics
Puzzles
Algorithms
6 kyu
Simple Fun #29: Is MAC48 Address?
380
myjinxin2015
2 Issues Reported
Puzzles
6 kyu
The Three Amigos
379
dinglemouse
Algorithms
6 kyu
#8 Matrices: Up and Down Sorting For Each Column
375
raulbc777
Fundamentals
Algorithms
Data Structures
Mathematics
Matrix
Sorting
6 kyu
Objectify all the strings
374
joh_pot
1 Issue Reported
Algorithms
6 kyu
Last Survivors Ep.3
373
Schulzkafer
Fundamentals
Arrays
6 kyu
The Rhinestone Cowboy ~ Count the dollars in his boots!
372
user8476848
3 Issues Reported
Algorithms
ASCII Art
6 kyu
Help Kiyo きよ solve her problems LCM Fun!
372
user8476848
Algorithms
Data Structures
Mathematics
Fundamentals
6 kyu
Simple number triangle
371
KenKamau
Algorithms
Discrete Mathematics
6 kyu
Find the integer sequences
371
myjinxin2015
Mathematics
Algorithms
6 kyu
Get your steppin' on son
368
joh_pot
Algorithms
6 kyu
Optimum coding school location
368
chrizzzer
1 Issue Reported
Algorithms
6 kyu
Adding Fractions
367
narayanswa30663
Fundamentals
6 kyu
Finding Arrows in a String
366
skidd
Strings
6 kyu
Decode the QR-Code
365
zLuki
Algorithms
6 kyu
Regex for a decimal number divisible by 4
365
kolichj
3 Issues Reported
Regular Expressions
Puzzles
6 kyu
Sub-array division
365
KenKamau
Arrays
Fundamentals
6 kyu
Number of Digit d in m-based Number Converted to Base n
365
suic
Fundamentals
6 kyu
One Variable Second Degree Equation Solver
365
raulbc777
6 Issues Reported
Fundamentals
Mathematics
6 kyu
IEEE 754 floating point numbers
364
trashy_incel
Binary
Fundamentals
6 kyu
Sum of all numbers with the same digits (performance edition)
364
tonylicoding
1 Issue Reported
Performance
Permutations
Fundamentals
6 kyu
Find the missed number
363
kodejuice
Mathematics
Puzzles
Algorithms
Logic
6 kyu
Create N-dimensional array
362
Konstantin Modin
Arrays
Recursion
Fundamentals
6 kyu
Chessboard Squares Under Queen's Attack
362
DivyanshBatham
2 Issues Reported
Fundamentals
6 kyu
Photocopy decay
361
dinglemouse
Strings
Algorithms
6 kyu
Arrays of Lists of Sets
360
KenKamau
Strings
Arrays
Algorithms
6 kyu
From..To..Series #7: from sentence to camelCase. Can you convert it?
360
myjinxin2015
Puzzles
6 kyu
Next smaller pronic
358
LesRamer
2 Issues Reported
Mathematics
Algorithms
Fundamentals
6 kyu
Brainfuck generator
358
Coldberg
Algorithms
6 kyu
Area of a Shape
357
user6270586
Statistics
Algorithms
6 kyu
Simple Fun #115: Factor Sum
356
myjinxin2015
Puzzles
6 kyu
Counting Rectangle Triangles
356
raulbc777
2 Issues Reported
Fundamentals
Mathematics
Geometry
Algorithms
Logic
6 kyu
Cartesian neighbors distance
355
febonachi
3 Issues Reported
Fundamentals
Mathematics
6 kyu
Compress/Encode a Message with RLE (Run Length Encoding)
355
user2619838
1 Issue Reported
Algorithms
6 kyu
What Color is Your Name?
355
user84543
1 Issue Reported
Puzzles
Strings
Algorithms
6 kyu
Difference of perfect squares displayed as sum of consecutive odd numbers
354
Cloud Walker
Algorithms
Mathematics
6 kyu
Leap year (with restrictions)
354
suic
Puzzles
Restricted
6 kyu
Jump!
353
kodejuice
Algorithms
Arrays
Games
6 kyu
Plotting points on a grid.
353
user2514386
2 Issues Reported
Strings
ASCII Art
Puzzles
6 kyu
Find a Bunch of Common Elements of Two Lists in a Certain Range
353
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
Fixed xor
352
user6029333
2 Issues Reported
Algorithms
Mathematics
Logic
Algebra
Binary
Cryptography
6 kyu
Roof Replacement
352
PG1
1 Issue Reported
Fundamentals
Strings
Arrays
6 kyu
Array Product (Sans n)
351
Firefly2002
Arrays
Fundamentals
6 kyu
Dictionary of Factors
351
Climacus
Algorithms
Fundamentals
6 kyu
Pandas Series 104: Flatten Rows From DataFrame
350
albertogcmr
3 Issues Reported
Lists
Data Frames
Fundamentals
Data Science
6 kyu
What The Biggest Search Keys?
349
bestwebua
1 Issue Reported
Fundamentals
Arrays
6 kyu
Distribute server workload
348
omegahm
Arrays
Lists
Algorithms
6 kyu
Regexp basics - parsing mana cost
347
taw
1 Issue Reported
Regular Expressions
Fundamentals
6 kyu
Alternating sort
346
barghest
Algorithms
Arrays
Sorting
6 kyu
Logistic Map
346
GiacomoSorbi
2 Issues Reported
Graph Theory
Matrix
Arrays
Lists
Algorithms
6 kyu
Diagnosing Hypertension
344
GitQuick
Strings
Arrays
Fundamentals
6 kyu
Simple Fun #146: Chandos Number
342
myjinxin2015
Algorithms
Number Theory
6 kyu
Simple Fun #14: Line Up
342
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
Largest Radial Sum
341
zeroxoneafour
Arrays
Algorithms
6 kyu
Page replacement algorithms: LRU
341
yLaWy
Algorithms
Lists
6 kyu
Build a Trie
341
suic
Data Structures
Fundamentals
6 kyu
Simple Fun #140: Circle Slash
341
myjinxin2015
Puzzles
6 kyu
Group Repeating Fractions
341
joh_pot
2 Issues Reported
Strings
Fundamentals
6 kyu
Blocks in an Irregular Pyramid
340
Trouv
1 Issue Reported
Mathematics
Algorithms
6 kyu
Guess Who?
340
adrian.eyre
1 Issue Reported
Games
Fundamentals
6 kyu
Variance in a array of words
340
MicheDev
1 Issue Reported
Statistics
Algorithms
Data Science
6 kyu
Float or Integer verifier
339
Good O-man
1 Issue Reported
Regular Expressions
Puzzles
6 kyu
Rooks
337
sazzadshopno
Algorithms
Mathematics
Fundamentals
Combinatorics
6 kyu
Connect the Dots
335
dinglemouse
Fundamentals
6 kyu
String subpattern recognition II
335
GiacomoSorbi
2 Issues Reported
Strings
Regular Expressions
Fundamentals
6 kyu
Sum of integer combinations
335
KenKamau
Arrays
Fundamentals
6 kyu
Simple Fun #162: Pair Wise
335
myjinxin2015
Algorithms
6 kyu
Hex to base64
333
e.mihaylin
Strings
Algorithms
6 kyu
Projectile Motion
333
narayanswa30663
5 Issues Reported
Fundamentals
6 kyu
Pairing brackets
333
jmossel
1 Issue Reported
Strings
Parsing
Algorithms
6 kyu
riemann sums I (left side rule)
333
nhomble
Mathematics
Fundamentals
6 kyu
Masquerade Waiting Line
333
cdsa142
Algorithms
Arrays
Puzzles
6 kyu
Magnitude
332
g964
Fundamentals
6 kyu
Fib Factorials
332
user2514386
Mathematics
Fundamentals
6 kyu
Numbers' Plus Pattern
332
m47r1x
ASCII Art
Fundamentals
6 kyu
Fix array sequence
330
KenKamau
Fundamentals
6 kyu
Prime ant
330
kodejuice
Mathematics
Logic
Arrays
Games
Fundamentals
6 kyu
Bad Apples
330
Thoreact
1 Issue Reported
Arrays
Algorithms
6 kyu
Decoded String by the Numbers
329
Omnilord
Algorithms
6 kyu
T.T.T.51: Four warriors and a lamp
328
myjinxin2015
Puzzles
Games
6 kyu
Simple repeated words
325
KenKamau
Algorithms
6 kyu
Condi cipher
323
dcieslak
Ciphers
Strings
Algorithms
6 kyu
Packet Delivery -- Enforcing Constraints
323
MFreidank
Fundamentals
6 kyu
Largest Value of a Power Less Than a Number
322
tonylicoding
2 Issues Reported
Mathematics
Algorithms
6 kyu
Are all elements equal? (Infinity version)
322
JohanWiltink
Fundamentals
6 kyu
What's the pattern?
322
kingcobra
1 Issue Reported
Mathematics
Algorithms
6 kyu
[Minecraft Series #1] Steve wants to build a beacon pyramid
321
arwengu
Algorithms
6 kyu
The Pyramid of Cubes
320
Timewarper
Mathematics
Puzzles
6 kyu
Delta Generators
320
Kacarott
Iterators
Recursion
6 kyu
A Crazy Robot? Who's is behind the scenes to make that?
320
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Geometry
6 kyu
Perimeter of Fibonacci Rectangle
319
natehart
Algorithms
Mathematics
Fundamentals
6 kyu
Goldbach’s Conjecture
319
Protino
Mathematics
Algorithms
6 kyu
Logical Disjunctions
319
justlemons
Logic
Mathematics
Algorithms
6 kyu
Best Stock Profit in Single Sale
318
wontonst
1 Issue Reported
Algorithms
6 kyu
How many cows do you have?
318
St3f4n
Mathematics
Puzzles
6 kyu
Command line parameters
318
Nakilon
Strings
Fundamentals
6 kyu
Do the points form a square?
317
user6800471
Fundamentals
Arrays
6 kyu
Change your Points of View
317
g964
Fundamentals
6 kyu
Special Scores For Words
317
raulbc777
Fundamentals
Data Structures
Algorithms
Memoization
6 kyu
Get match by pattern
316
heroicfun
Regular Expressions
Strings
6 kyu
ASCII Fun #3: Puzzle Tiles
316
zruF
ASCII Art
6 kyu
Diff That Poly!
316
jgdodson
2 Issues Reported
Mathematics
Arrays
Algorithms
6 kyu
Simple Fun #169: Press Button
314
myjinxin2015
Puzzles
6 kyu
The Sum Of The Prime Factors Of a Number... What For?
314
raulbc777
3 Issues Reported
Algorithms
6 kyu
Process Waterfowl Survey Data Results
313
rt-hawk
3 Issues Reported
Arrays
Regular Expressions
Fundamentals
Data Science
6 kyu
Prime reversion
313
KenKamau
Fundamentals
6 kyu
n-back
312
kingcobra
1 Issue Reported
Fundamentals
6 kyu
Raise Me to The Third Power, Search My Divisors... .....Could You Believe that?
312
raulbc777
2 Issues Reported
Algorithms
Mathematics
Memoization
Dynamic Programming
6 kyu
Hollow Triangle
310
wilcobreedt
1 Issue Reported
ASCII Art
Fundamentals
6 kyu
Simple Fun #122: String Constructing
308
myjinxin2015
Puzzles
6 kyu
Filter valid romans
308
St3f4n
3 Issues Reported
Regular Expressions
Fundamentals
6 kyu
Pattern 01: Merry Christmas (sometimes little bit out of time;-))
308
smile67
1 Issue Reported
Strings
ASCII Art
Fundamentals
6 kyu
Bugs with late binding closure
307
Palkin_Fedor
Debugging
6 kyu
Guess the array
307
ice1000
Puzzles
Algorithms
Arrays
6 kyu
When greatest is less than smallest
307
NaMe613
Mathematics
Logic
Algorithms
6 kyu
Allergy to Palindromes.
306
raulbc777
Fundamentals
Algorithms
Mathematics
Performance
Permutations
6 kyu
Survivors Ep.4
305
Schulzkafer
1 Issue Reported
Fundamentals
Arrays
6 kyu
Simple Fun #65: Matrix Elements Sum
305
myjinxin2015
1 Issue Reported
Puzzles
Matrix
Algorithms
6 kyu
"com", "gov", "org" first
305
aspirin
1 Issue Reported
Fundamentals
Algorithms
Sorting
6 kyu
The Sceptical Kid Generator
304
joeDiHare
1 Issue Reported
Strings
Fundamentals
6 kyu
Heroes of Might & Magic II: One-on-One
302
GavDawg
Fundamentals
6 kyu
Simple Fun #110: Array Operations
302
myjinxin2015
5 Issues Reported
Puzzles
6 kyu
Skills Master
300
el-f
Algorithms
Data Structures
Graph Theory
Trees
6 kyu
Tetris Series #2 — Primitive Gameplay
299
Etoneja
Fundamentals
Games
Algorithms
Arrays
Logic
6 kyu
Super Coordinate Sums!
298
LSmith-Zenoscave
Mathematics
Puzzles
6 kyu
Complete the matrix pattern
298
myjinxin2015
Puzzles
Algorithms
Matrix
6 kyu
Hexagon Beam Max Sum
297
docgunthrop
Puzzles
Arrays
Algorithms
6 kyu
Exclamation marks series #12: Remove odd number continuous exclamation marks and question marks
297
myjinxin2015
2 Issues Reported
Fundamentals
6 kyu
Find a Very Special Set Of Numbers In a Certain Range
297
raulbc777
Fundamentals
Mathematics
Algorithms
6 kyu
Summing Large Amounts of Numbers
297
ElDynamite
Binary
Puzzles
6 kyu
Impress your friends with Brown's Criterion!
296
Raffaele Fiorillo
Mathematics
Logic
Puzzles
6 kyu
Pete's inappropriate speech
296
GiacomoSorbi
2 Issues Reported
Regular Expressions
Strings
Algorithms
6 kyu
Find the integer Partition of k-Length With Maximum or Minimum Value For Its Product Value
296
raulbc777
2 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
Longest 2-character substring
296
JDeBolt
Algorithms
6 kyu
Simple Fun #151: Rocks
294
myjinxin2015
Algorithms
6 kyu
Search The 0 Sums Combinations in an Array
294
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
6 kyu
telephone words
294
mishasaggi
Strings
Arrays
Algorithms
6 kyu
Covered pawns
291
mdandre
3 Issues Reported
Fundamentals
6 kyu
Ideal Trader
290
Expurple
1 Issue Reported
Arrays
Fundamentals
6 kyu
Simple Fun #200: Luxurious House
290
myjinxin2015
Algorithms
6 kyu
Children and candies
290
myjinxin2015
Puzzles
Fundamentals
6 kyu
@memoize
288
kingcobra
2 Issues Reported
Fundamentals
6 kyu
Random Substitution Cipher
288
HerrWert
Fundamentals
6 kyu
We are the Robots d[(0)(0)]b
288
user8476848
2 Issues Reported
Algorithms
Data Structures
Regular Expressions
Puzzles
Strings
6 kyu
Typing series #1 --> the [backspace] function
287
goldenratio161
Algorithms
Strings
6 kyu
Simple Fun #395: Fibonacci digit sequence
287
myjinxin2015
Puzzles
Fundamentals
6 kyu
Warm Up for Speed.
287
raulbc777
1 Issue Reported
Performance
Algorithms
Mathematics
Data Structures
Arrays
Sorting
Fundamentals
6 kyu
Tom's Allergies
287
Lusina
2 Issues Reported
Algorithms
Puzzles
Fundamentals
6 kyu
Get the Sum of Multiples of Triangular Numbers
287
raulbc777
2 Issues Reported
Fundamentals
Mathematics
6 kyu
String subpattern recognition III
286
GiacomoSorbi
3 Issues Reported
Strings
Regular Expressions
Fundamentals
6 kyu
1 Two 3 Four 5!
286
madars
Algorithms
6 kyu
Hex cipher
286
kingcobra
Cryptography
Object-oriented Programming
Ciphers
Algorithms
6 kyu
Simple Fun #64: Almost Increasing Sequence
286
myjinxin2015
Puzzles
6 kyu
Permutations Of An Array And Associated Values
286
raulbc777
3 Issues Reported
Fundamentals
Mathematics
Data Structures
Permutations
Algorithms
6 kyu
ASCII Fun #4: Build a pyramid
285
zruF
1 Issue Reported
ASCII Art
6 kyu
# Counting 1: I Want Some Subsets, Not All!
285
raulbc777
2 Issues Reported
Number Theory
Fundamentals
6 kyu
Simple Fun #142: Mobius function
285
myjinxin2015
Puzzles
6 kyu
FLAMES Game version 1
284
niczm25
1 Issue Reported
Algorithms
6 kyu
Pythagorean Triplets
282
ali07cat07
1 Issue Reported
Algorithms
Mathematics
6 kyu
VaccineNation
281
lucymonie
1 Issue Reported
Arrays
Sorting
Fundamentals
6 kyu
Guess the secret integer (binary search)
281
Scopula
2 Issues Reported
Algorithms
6 kyu
Stone bridge primes
280
KenKamau
Algorithms
6 kyu
Simple Fun #36: Most Frequent Digit Sum
280
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
Deal a Shuffled Deck of Cards
280
GeorgeSeeger
Fundamentals
6 kyu
Cantor's pairing function
278
tiriana
Mathematics
Algorithms
6 kyu
Maximum Product of Parts
277
marbiru
Algorithms
6 kyu
Construct Graph Class (simple)
277
Joz
2 Issues Reported
Object-oriented Programming
Fundamentals
Graph Theory
6 kyu
Quidditch Scoreboard
276
tantsandras
1 Issue Reported
Fundamentals
Strings
Algorithms
6 kyu
Simple Fun #174: Unlucky Number
276
myjinxin2015
Puzzles
6 kyu
Generating Numbers From Digits #1
276
raulbc777
2 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
Van Eck's Sequence
275
goldenratio161
Algorithms
6 kyu
No Order of Operations
275
tonylicoding
Mathematics
Algorithms
6 kyu
Number Decoding
275
ICannotCode
Fundamentals
6 kyu
Simple Fun #318: Sort String
275
myjinxin2015
Algorithms
Strings
Sorting
6 kyu
Help Green Lantern with his web site
275
tachyonlabs
Strings
Fundamentals
6 kyu
Happy numbers to the n power
275
CursedFlames
Algorithms
6 kyu
Popping Blocks
274
saudiGuy
Algorithms
Arrays
6 kyu
Happy Coding : a Spy On the Train
274
myjinxin2015
1 Issue Reported
Fundamentals
6 kyu
Simple Fun #185: Revamp
274
myjinxin2015
2 Issues Reported
Fundamentals
6 kyu
#8: Treasure Map
274
myjinxin2015
Puzzles
6 kyu
Word search
273
G_kuldeep
Fundamentals
6 kyu
Plus - minus - plus - plus - ... - Sum
273
kdmatrosov
Algorithms
6 kyu
Statistics in Kata 1: OR case - Unfair dice
273
powderham
3 Issues Reported
Probability
Statistics
6 kyu
Let's do a fun graph
272
ramasama
Strings
Arrays
ASCII Art
6 kyu
Apply offset to subtitles
272
teoriachaosu
Strings
Fundamentals
6 kyu
Computing the complex logarithm function
272
Voile
Mathematics
Algorithms
6 kyu
Hofstadter Q
272
St3f4n
1 Issue Reported
Recursion
Algorithms
6 kyu
Climbing Stairs
271
saudiGuy
Logic
Algorithms
Dynamic Programming
6 kyu
Game Hit the target - 2nd part
270
Ruscore
2 Issues Reported
Matrix
Arrays
Strings
Fundamentals
6 kyu
Simple Fun #143: Is Survivor Number?
270
myjinxin2015
1 Issue Reported
Algorithms
6 kyu
How many nines?
269
Paul Robertson
Mathematics
Puzzles
6 kyu
Keith Numbers
269
AndreyUsyaev
1 Issue Reported
Algorithms
Mathematics
6 kyu
Shop Inventory Manager
269
GiacomoSorbi
5 Issues Reported
Debugging
6 kyu
Prime Happy
268
aweleshetu
Fundamentals
6 kyu
Print number with character
267
Omiant
Fundamentals
6 kyu
Challenge Fun #17: Merge Arrays
267
myjinxin2015
1 Issue Reported
Algorithms
6 kyu
Linux history and `!` command. Series#2 The `!n` command
267
nbeck
Strings
Parsing
Regular Expressions
Algorithms
6 kyu
#01 - Music theory - Minor/Major chords
267
aniametz
Strings
Data Structures
Logic
Fundamentals
6 kyu
Zeckendorf representation
266
zieglerk
Fundamentals
6 kyu
Is there a sequence re-occuring in the list
265
IVBakker
3 Issues Reported
Arrays
Lists
Fundamentals
Performance
6 kyu
Best Parking Spot
265
grensley
Algorithms
6 kyu
Coding 3min: Collatz Array(Split or merge)
263
myjinxin2015
1 Issue Reported
Puzzles
Games
6 kyu
Complete The Pattern #14
263
DivyanshBatham
Strings
Arrays
ASCII Art
Fundamentals
6 kyu
2 Arrays 1 Sort
263
IVBakker
2 Issues Reported
Arrays
Algorithms
Sorting
6 kyu
Simple Fun #290: Sum Of Threes
262
myjinxin2015
Algorithms
6 kyu
How many elephants can the spider web hold?
262
izubi
Fundamentals
Algorithms
6 kyu
Pill Pusher
261
GitQuick
1 Issue Reported
Fundamentals
6 kyu
I am very very very....
261
ben8p
Fundamentals
Strings
6 kyu
Scooby Doo Puzzle
260
adrian.eyre
Puzzles
Cryptography
Algorithms
6 kyu
Pawn Promotion
259
Eyad Hantouli
Fundamentals
6 kyu
Canal Management
259
Toby-D-Smith
Algorithms
6 kyu
Card Games: Black Jack
259
EricRamirezS
1 Issue Reported
Games
Fundamentals
Algorithms
6 kyu
Jumble words
258
smolen
Strings
Algorithms
Fundamentals
6 kyu
Construct a Graph
256
FurgieWurgie
Graphs
ASCII Art
6 kyu
Tolkien's Book Cart
256
pjbaldwin
1 Issue Reported
Algorithms
6 kyu
Jurassic Word
256
justintc23
Algorithms
6 kyu
Alphabet Slices
254
Cloud Walker
Strings
Algorithms
Fundamentals
6 kyu
Campfire building
254
RevelcoS
Mathematics
Algorithms
6 kyu
Stern-Brocot Sequence Part I
254
erdos2n
Number Theory
Algorithms
6 kyu
Ragbaby cipher
252
dcieslak
Ciphers
Strings
Fundamentals
6 kyu
The Great Digital Conflict
251
Schulzkafer
1 Issue Reported
Fundamentals
6 kyu
Simple Fun #84: Box Blur
250
myjinxin2015
Puzzles
6 kyu
Airport Arrivals/Departures - #2
250
dinglemouse
Algorithms
6 kyu
Is Divisible By 6 Mk II
249
GiacomoSorbi
Permutations
Strings
Combinatorics
Number Theory
Fundamentals
6 kyu
DevOps legacy roasting -> disco inferno -> burn baby burn
249
user8476848
3 Issues Reported
Regular Expressions
Strings
Fundamentals
6 kyu
N smallest elements in original order (performance edition)
248
FArekkusu
Algorithms
Arrays
Performance
6 kyu
Infected Zeroes
248
marbiru
Fundamentals
6 kyu
Manage the Robot Factory: Day 1
248
Kartoffelsalat
Algorithms
6 kyu
Fizz Buzz Reloaded
247
the_Hamster
Fundamentals
6 kyu
The Binary Tree, or There and Back Again
247
dmitvitalii
1 Issue Reported
Algorithms
Data Structures
Trees
6 kyu
Infinite Length Binary Code
246
gmferise
Binary
Puzzles
Fundamentals
6 kyu
Total Primes
246
Mcoury
1 Issue Reported
Mathematics
Algorithms
6 kyu
Fixed length palindromes
245
KenKamau
Algorithms
6 kyu
Resultant Moment I
245
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
6 kyu
The area between the vertex of the parabola and x-axis
244
theprotagonist
Mathematics
6 kyu
String Repetition without Function
243
suic
Restricted
Puzzles
6 kyu
Create a House Cleaning Rota
243
Karim97
3 Issues Reported
Fundamentals
6 kyu
Simple Fun #70: Avoid Obstacles
242
myjinxin2015
Puzzles
6 kyu
When Sigma1 Function Has Equals Values For an Integer and Its Reversed One
242
raulbc777
5 Issues Reported
Mathematics
Algorithms
Fundamentals
6 kyu
Networking 101/1: Convert IPv4 address to Dotted Binary Notation
241
bitcanon
Networks
Bits
Fundamentals
Binary
6 kyu
Can you win the codewar ?
241
trashy_incel
Arrays
Algorithms
6 kyu
Square string tops
241
dcieslak
Fundamentals
Strings
6 kyu
Conversion between Kilobyte and KibiByte
240
_mer_
Mathematics
Strings
Fundamentals
6 kyu
The fibfusc function -- Part 1
240
ecolban
Fundamentals
6 kyu
Numbers so vain, they probably think this Kata is about them.
240
NateBrady23
2 Issues Reported
Algorithms
Mathematics
6 kyu
Do not let him go
239
user2553318
Strings
Arrays
Algorithms
6 kyu
Corner Fill
239
Haumer
Arrays
Fundamentals
6 kyu
A different kind of 'Lazy' function.
239
Kacarott
Decorator
6 kyu
Deficiently Abundant Perfect Amicable Numbers
239
RichAWarren
1 Issue Reported
Fundamentals
Mathematics
Algorithms
6 kyu
Weigh The List #1
238
Rail-Gun
Mathematics
Fundamentals
6 kyu
Linux history and `!` command. Series#3 The `!-n` command
238
nbeck
3 Issues Reported
Strings
Parsing
Regular Expressions
Algorithms
6 kyu
Peel the onion
237
Kees de Vreugd
1 Issue Reported
Algorithms
Puzzles
Mathematics
Logic
6 kyu
Zozonacci
237
suic
Fundamentals
Algorithms
6 kyu
The Mysterious Wall
237
NULLHE4D
4 Issues Reported
Fundamentals
Algorithms
Strings
ASCII Art
6 kyu
Odd Magic Square
237
Abelard_Snazz
1 Issue Reported
Puzzles
Arrays
Mathematics
6 kyu
Score From Permutations Of Combinations of an Integer
237
raulbc777
Fundamentals
Mathematics
Permutations
6 kyu
A Cinema
236
LarisaOvchinnikova
Strings
Fundamentals
6 kyu
N-centered Array
236
aweleshetu
3 Issues Reported
Fundamentals
6 kyu
Recursion puzzle
236
Chris_Rands
1 Issue Reported
Puzzles
Recursion
Lists
6 kyu
Goldbach's conjecture (Prime numbers)
235
P3zhman
1 Issue Reported
Mathematics
Fundamentals
6 kyu
Music Fun #1 - Major Scale
234
smokinhiro
Algorithms
Strings
Parsing
Logic
Fundamentals
6 kyu
Lemmings Battle!
234
sazzadshopno
Fundamentals
Games
6 kyu
Unpack
231
filipkonieczny
Fundamentals
Algorithms
Lists
Recursion
6 kyu
Really Complex Sum
230
AndrasG
Regular Expressions
Fundamentals
6 kyu
Kontti Language
230
sofiapoh
1 Issue Reported
Regular Expressions
Fundamentals
6 kyu
Popping Balloons
229
NoSoCo
Algorithms
Puzzles
Data Structures
6 kyu
Matrix Expansion
229
cemsina
1 Issue Reported
Algebra
Puzzles
Matrix
6 kyu
Next multiple of 5
229
Kees de Vreugd
Algorithms
Logic
Performance
6 kyu
Largest Cross Sum
229
marbiru
1 Issue Reported
Fundamentals
6 kyu
Simple Fun #208: Find Sub Array With Same Element
229
myjinxin2015
Fundamentals
6 kyu
Mysterious Pattern
229
myjinxin2015
1 Issue Reported
ASCII Art
Puzzles
6 kyu
nova polynomial 2. multiply
229
hgamboa
Algorithms
6 kyu
Reducing a pyramid
228
FArekkusu
Algorithms
Performance
6 kyu
How Many Differences of Squares?
228
emaclean
1 Issue Reported
Mathematics
Algorithms
6 kyu
No adjacent integers sequence generator
228
kingcobra
Algorithms
6 kyu
#5 Matrices: Sort The Matrix
228
raulbc777
Algorithms
Matrix
Sorting
Data Structures
Fundamentals
6 kyu
Simple Fun #183: Direction In Grid
228
myjinxin2015
Puzzles
6 kyu
Get a User's Honor
228
user2514386
Strings
Regular Expressions
Fundamentals
6 kyu
The Sum of The First and The Last Prime Factor Make Chains of Numbers
228
raulbc777
6 Issues Reported
Mathematics
Data Structures
Algorithms
6 kyu
Line up
227
TureNoobMan
Arrays
Puzzles
6 kyu
Character Counter and Bars Graph
227
mmalkavian
ASCII Art
Arrays
Fundamentals
6 kyu
Hat Game
226
Kacarott
Riddles
6 kyu
Ulam Sequences
226
erdos2n
1 Issue Reported
Number Theory
Mathematics
Algorithms
6 kyu
Simple Fun #191: Sum Of Regular Numbers
226
myjinxin2015
1 Issue Reported
Algorithms
6 kyu
Simple Fun #133: Six Column Encryption
226
myjinxin2015
Puzzles
6 kyu
Alpha to Numeric and Numeric to Alpha
225
belenox
2 Issues Reported
Algorithms
Strings
6 kyu
Sixteen circles
225
@m1ll
Mathematics
Puzzles
6 kyu
Sorting Integers into a nested list
225
the_Hamster
Fundamentals
Algorithms
Sorting
6 kyu
Linux history and `!` command. Series#4 The `!string` command
225
nbeck
2 Issues Reported
Strings
Parsing
Regular Expressions
Algorithms
6 kyu
Exclamation marks series #14: Convert the exclamation marks and question marks to a prime number
225
myjinxin2015
1 Issue Reported
Fundamentals
6 kyu
Thinking & Testing : Mobile phone simulator
225
myjinxin2015
1 Issue Reported
Puzzles
Games
Object-oriented Programming
6 kyu
Identify Best Planet
224
Sommeba
Strings
Algorithms
Searching
6 kyu
Boolean function truth table
223
trashy_incel
Binary
Algorithms
6 kyu
Simple Fun #126: Decrypt Number
223
myjinxin2015
Puzzles
6 kyu
Square Roots: Simplify/Desimplify
223
narayanswa30663
Fundamentals
6 kyu
Elections: Weighted Average
223
narayanswa30663
1 Issue Reported
Fundamentals
6 kyu
Latin Square Validator
222
brodiemark
Strings
Arrays
6 kyu
The Deaf Rats of Hamelin (2D)
222
dinglemouse
Fundamentals
6 kyu
Nearly Flatten a Messy Array
222
henrywoody
Fundamentals
6 kyu
Gambling Game Joker
221
Ahmedov-brat
Fundamentals
Strings
6 kyu
Tombola - validation
220
mmalkavian
Arrays
Fundamentals
6 kyu
Linux history and `!` command. Series#5 The `!?string` command
220
nbeck
1 Issue Reported
Strings
Parsing
Regular Expressions
Algorithms
6 kyu
#4 Matrices: Process for a Square Matrix
218
raulbc777
Mathematics
Data Structures
Matrix
Linear Algebra
Fundamentals
6 kyu
Crazed Templating
218
Kunc-
2 Issues Reported
Algorithms
6 kyu
Lucky Sevens
218
galaxy233
Fundamentals
6 kyu
Bracket Buster
218
EricDalrymple91
2 Issues Reported
Regular Expressions
Fundamentals
6 kyu
Dog recommendation system
217
kingcobra
2 Issues Reported
Arrays
Sets
Sorting
Fundamentals
6 kyu
#1 Strings: Find The Longest Substring and Required Data.
217
raulbc777
1 Issue Reported
Fundamentals
Strings
Algorithms
6 kyu
Christmas Present Calculator
217
zruF
1 Issue Reported
Date Time
Fundamentals
6 kyu
denumerate string
217
maximon
2 Issues Reported
Strings
Sorting
Fundamentals
6 kyu
Find the files then read them
216
jamad
Fundamentals
6 kyu
Bijective Binary
216
Ian T
Algorithms
6 kyu
Finding the Incorrect Value in a Binary Tree
215
brodiemark
Binary Trees
Arrays
6 kyu
Runescape Mining Simulator
215
user6720290
Fundamentals
6 kyu
A floating-point system
215
g964
Fundamentals
6 kyu
Simple Fun #83: MineSweeper
214
myjinxin2015
Puzzles
6 kyu
Time Simulation
214
wthit56
1 Issue Reported
Algorithms
6 kyu
Simple Fun #250: Prefix Sums To Suffix Sums
213
myjinxin2015
Algorithms
6 kyu
Simple Barcode Scanner
213
furbrain
1 Issue Reported
Regular Expressions
Algorithms
6 kyu
Minimum Reduction
212
kodejuice
Algorithms
6 kyu
Sort the comments!
212
danarters
3 Issues Reported
Sorting
Algorithms
6 kyu
Imaginary Base Conversion
212
feeg1
2 Issues Reported
Mathematics
Algorithms
6 kyu
Random Integers
212
narayanswa30663
1 Issue Reported
Arrays
Fundamentals
6 kyu
Algebraic string
212
staza
Fundamentals
Strings
Parsing
6 kyu
Modular Multiplicative Inverse
212
Were_Cat
4 Issues Reported
Algorithms
Mathematics
6 kyu
Friendly Pairs I
210
erdos2n
Number Theory
Algorithms
6 kyu
Complete The Pattern #13
210
DivyanshBatham
Strings
Arrays
ASCII Art
Fundamentals
6 kyu
Thinking & Testing : Spatiotemporal index
209
myjinxin2015
1 Issue Reported
Puzzles
Arrays
6 kyu
Divisor harmony
208
KenKamau
Algorithms
6 kyu
Hello World without strings, numbers and booleans
207
user7807731
Strings
Restricted
Fundamentals
6 kyu
Déjà vu Duplicates
207
lkspencer
1 Issue Reported
Algorithms
6 kyu
Bit Letters
206
differentrain
Fundamentals
6 kyu
Exclamation marks series #16: Find the longest successive exclamation marks and question marks combination in the string
206
myjinxin2015
1 Issue Reported
Fundamentals
6 kyu
T9 Predictor
205
mukesh610
1 Issue Reported
Puzzles
6 kyu
Exclusive presentations
205
kgashok
Sets
Algorithms
6 kyu
getting started #let's piay
205
lukophron
1 Issue Reported
Debugging
6 kyu
Area of an n-sided polygon
205
sanfe
3 Issues Reported
Geometry
Algebra
Mathematics
Fundamentals
6 kyu
Find the Strongest Apes
204
Coderator
1 Issue Reported
Lists
Sorting
Algorithms
6 kyu
Probability #1 : The Infinite Spinning Wheel
204
bookdodo
Mathematics
Games
Puzzles
Probability
6 kyu
Midtown Navigator
204
K-Calderon-ASC
Fundamentals
6 kyu
Simple Fun #33: Construct Square
204
myjinxin2015
Puzzles
6 kyu
Permutation position
204
matt c
Fundamentals
6 kyu
Odder than the rest
203
JohanWiltink
Puzzles
Algorithms
Recursion
6 kyu
Read a UPC/Barcode
203
BinaryEclipse
Algorithms
6 kyu
Memesorting
203
Vlad Kirilenok
Strings
Regular Expressions
Fundamentals
Sorting
6 kyu
Longest Consecutive Sequence of Squares
203
kodejuice
Mathematics
Algorithms
6 kyu
Array reduction
203
KenKamau
Algorithms
6 kyu
ASCII Cipher
203
user3359372
3 Issues Reported
Ciphers
6 kyu
Combination Lock
202
bsylve
Mathematics
6 kyu
Tree-D Printer
202
alecfriedman3
Algorithms
6 kyu
Button sequences
201
0xbba
2 Issues Reported
Strings
Games
Puzzles
6 kyu
Thinking & Testing : Operator hidden in a string
200
myjinxin2015
Puzzles
Games
6 kyu
Matrix Exponentiation
199
zofy
3 Issues Reported
Arrays
Matrix
Algorithms
Logic
6 kyu
Kata Impossible I - The Impossible Lottery
199
donaldsebleung
Puzzles
6 kyu
Simple Fun #268: Triangular Sum
198
myjinxin2015
Puzzles
6 kyu
#Paper and pencil: Figure out the value of letters by sum of words.
197
LS2008
Strings
Logic
Ciphers
Puzzles
6 kyu
Seven Segment Display
197
TehMac
Fundamentals
Strings
6 kyu
Complete The Pattern #15
197
DivyanshBatham
Arrays
Strings
ASCII Art
Fundamentals
6 kyu
Summation Triangle #2
196
groskowski
Mathematics
Performance
6 kyu
rotate the letters of each element
196
albertogcmr
Lists
Strings
Sorting
6 kyu
Spelling Bee II
196
dinglemouse
Fundamentals
6 kyu
Simple Fun #66: Obtain Max Number
196
myjinxin2015
Puzzles
6 kyu
matrix expanding
195
nhomble
1 Issue Reported
Arrays
Fundamentals
Matrix
6 kyu
SNAP
194
joecoker
1 Issue Reported
Recursion
Arrays
Fundamentals
6 kyu
Chess Fun #10: Chess Encryption
194
myjinxin2015
Puzzles
6 kyu
The furthest distance of index
194
myjinxin2015
Puzzles
Fundamentals
6 kyu
Alex & snooker: scores.
193
nekokat
3 Issues Reported
Statistics
Arrays
Strings
Algorithms
6 kyu
■□ Pattern □■ : Heart
193
myjinxin2015
1 Issue Reported
ASCII Art
6 kyu
Required Data II (Easy One)
193
raulbc777
7 Issues Reported
Fundamentals
Algorithms
Data Structures
Sorting
6 kyu
k-permutations of n
193
MTDzi
Algorithms
Recursion
Permutations
6 kyu
Counting Horses
192
davidmaamoaix
Algorithms
6 kyu
Magic Zeckendorf
192
IVBakker
2 Issues Reported
Mathematics
Puzzles
6 kyu
There was an Old Lady who Swallowed a Fly
190
dinglemouse
Algorithms
6 kyu
Split Without Loss
190
narayanswa30663
Fundamentals
6 kyu
Guess Operator
189
dfhwze
Algorithms
Puzzles
Mathematics
6 kyu
Which Gas Station should I pick?
189
zruF
3 Issues Reported
Mathematics
Fundamentals
6 kyu
Multirange iterator
189
eugene-katsevman
1 Issue Reported
Iterators
Fundamentals
6 kyu
D&D: Non-Euclidian Movement
187
infinitymeme
Algorithms
Data Structures
6 kyu
Weather prediction
186
tomilo87
Probability
Algorithms
Data Science
6 kyu
@count_calls
186
kingcobra
Fundamentals
6 kyu
Simple Fun #288: Turns On Road
186
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
D&D Character generator #1: attribute modifiers and spells
185
GiacomoSorbi
3 Issues Reported
Fundamentals
6 kyu
Simple Fun #72: Absolute Values Sum Minimization
185
myjinxin2015
Puzzles
6 kyu
Simple Fun #19: Count Black Cells
185
myjinxin2015
Puzzles
6 kyu
Euler method for numerical integration
185
stok
Algorithms
6 kyu
Vault experience (3): Populate the vaults
185
Bl4ckR00k
Fundamentals
6 kyu
Rectangle letter juggling
184
sid114
Strings
Fundamentals
Algorithms
6 kyu
Fuel usage reporting
184
ragtimesp
Fundamentals
Games
Puzzles
6 kyu
Sharkovsky's Theorem
183
mouloud
1 Issue Reported
Mathematics
Algorithms
6 kyu
Increment with iterations
183
Sicely
Algorithms
6 kyu
Micro-World
183
sazzadshopno
Fundamentals
6 kyu
23 Matches. Or more...
183
tiriana
1 Issue Reported
Puzzles
Games
Algorithms
Game Solvers
6 kyu
Alex & snooker: points earned.
183
nekokat
1 Issue Reported
Strings
Arrays
6 kyu
Simple Fun #58: Volleyball Positions
183
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
Simple Fun #46: Cipher26
183
myjinxin2015
Puzzles
6 kyu
Rotate Corners
182
zebulan
Fundamentals
6 kyu
The Union Jack
182
otajor
3 Issues Reported
Strings
ASCII Art
Fundamentals
6 kyu
Page replacement algorithms: clock
181
yLaWy
Algorithms
Lists
6 kyu
Representing Numbers on an Abacus
181
scarecrw
Strings
Fundamentals
6 kyu
Answer the students' questions!
181
KH!
1 Issue Reported
Algorithms
6 kyu
Palindrome Builder
181
wontonst
1 Issue Reported
Algorithms
6 kyu
Old Mobile Display
181
mmalkavian
1 Issue Reported
Strings
ASCII Art
Fundamentals
6 kyu
Multiples of Ten in a Sequence Which Values Climb Up
180
raulbc777
Fundamentals
Algorithms
Mathematics
Data Structures
Sorting
Memoization
6 kyu
ASCII Sierpiński Carpet
179
LuggiStruggi
ASCII Art
Mathematics
6 kyu
Kata 2019: Combine Fruits
179
myjinxin2015
Algorithms
Performance
6 kyu
I guess this is a 6kyu kata #5: Whac-A-Mole
179
myjinxin2015
1 Issue Reported
Puzzles
Fundamentals
6 kyu
Polynomials II: Coefficients In a List
179
raulbc777
Fundamentals
Mathematics
Strings
Logic
6 kyu
Prime Cycles
178
neuralStep
Puzzles
6 kyu
LCM Cardinality
178
sazzadshopno
Fundamentals
6 kyu
Let's flat them out
178
Wittybit
2 Issues Reported
Algorithms
6 kyu
The largest "mirror"
177
Dmitry Kudla
Algorithms
Arrays
6 kyu
Find X Ⅱ
176
kodejuice
Fundamentals
6 kyu
Progressive Spiral Number Branch
176
GiacomoSorbi
Mathematics
Number Theory
Puzzles
6 kyu
Markings to White Triangles and How to Find Them
176
theropodMusings
Mathematics
Fundamentals
6 kyu
RPS Knockout Tournament Winner
176
FrankK
Games
Algorithms
Game Solvers
Design Patterns
Object-oriented Programming
6 kyu
Most improved - Puzzles #4
175
matt c
2 Issues Reported
Arrays
Puzzles
6 kyu
Architect's Dream: drawing curves, observing, thinking
174
g964
Fundamentals
6 kyu
Selecting Quotients From an Array
174
raulbc777
2 Issues Reported
Fundamentals
Data Structures
Algorithms
Sorting
Mathematics
Logic
6 kyu
Tim's Fruit Shop Challenge
173
Rodrigo-Coloma
Algorithms
6 kyu
The Train Problem
173
Azeezah
1 Issue Reported
Algorithms
Strings
Performance
6 kyu
Simple Fun #180: Repeat Adjacent
173
myjinxin2015
2 Issues Reported
Algorithms
6 kyu
n-th reversible prime
173
myjinxin2015
Puzzles
Algorithms
6 kyu
Mid-Endian numbers
172
GiacomoSorbi
1 Issue Reported
Algorithms
6 kyu
Simple number divisibility
172
KenKamau
1 Issue Reported
Fundamentals
6 kyu
Level Up!
172
NULLHE4D
2 Issues Reported
Iterators
Algorithms
6 kyu
Filtering Values For an Election
172
raulbc777
5 Issues Reported
Mathematics
Statistics
Recursion
Data Science
6 kyu
Something similar to RokuLiuYeoseot- Nacci
172
raulbc777
1 Issue Reported
Fundamentals
Mathematics
Recursion
6 kyu
Evaluate the Group of Parentheses
171
saudiGuy
2 Issues Reported
Algorithms
Logic
Regular Expressions
Strings
6 kyu
Microwave maid Ep1: The touchpad test
171
Schulzkafer
Fundamentals
Strings
6 kyu
Find the gatecrashers on CocoBongo parties
171
jteodoro
2 Issues Reported
Arrays
Performance
Fundamentals
Graph Theory
6 kyu
Statistics in Kata 2: AND case - Ball bags
171
powderham
Statistics
Probability
Arrays
Fundamentals
6 kyu
[Code Golf] The Twelve Days of Christmas
170
anter69
Restricted
Puzzles
6 kyu
X plus Y Card problem
170
mimoriarty
1 Issue Reported
Mathematics
Fundamentals
6 kyu
A Combinatorial Way to Get Products and Sums of an Array
170
raulbc777
2 Issues Reported
Fundamentals
Mathematics
Data Structures
Algorithms
6 kyu
Bocce
170
dnolan
Puzzles
Algorithms
6 kyu
Sort only integers in Nested List
169
jamad
Fundamentals
Algorithms
Sorting
6 kyu
Multiply by a number, so it becomes a perfect power
168
tonylicoding
1 Issue Reported
Mathematics
Algebra
Algorithms
6 kyu
#7 Matrices: Focused on the Contour
168
raulbc777
2 Issues Reported
Matrix
Algorithms
Searching
Fundamentals
6 kyu
Simple Fun #201: Cards And Pero
168
myjinxin2015
Fundamentals
6 kyu
Berserk rater: CG Vs. Clang
168
GiacomoSorbi
3 Issues Reported
Algorithms
6 kyu
T.T.T.39: Cut rope
168
myjinxin2015
Puzzles
Games
6 kyu
Well efficiency calculator
168
Drymonade
1 Issue Reported
Arrays
Fundamentals
6 kyu
Divide and Conquer
167
saudiGuy
2 Issues Reported
Algorithms
Arrays
Performance
6 kyu
Custom Licence Plate
167
anter69
Algorithms
6 kyu
ADFGX Simplified
167
Caders
1 Issue Reported
Cryptography
Algorithms
Fundamentals
6 kyu
Operation Transformation
167
kaminobenzene
Fundamentals
Algorithms
6 kyu
Find amplitude of a binary tree
167
radogost
Fundamentals
6 kyu
Write your own multiplication function
167
ecolban
Fundamentals
6 kyu
Codwars or Codewars?
166
desl
1 Issue Reported
Regular Expressions
Fundamentals
6 kyu
Protein Synthesis: From DNA to Polypeptide
166
epicbob57
1 Issue Reported
Fundamentals
6 kyu
2D array inner join
166
mik
Fundamentals
Matrix
Algorithms
6 kyu
Warcraft Series I - Mining Gold
165
Alexenon
Games
Object-oriented Programming
6 kyu
Isogram Cipher
165
anter69
1 Issue Reported
Ciphers
Algorithms
6 kyu
Rook Count Attack
164
Alexenon
Arrays
6 kyu
Wikidata Json Scraper
164
Captain Quack
2 Issues Reported
Algorithms
Web Scraping
Searching
JSON
Filtering
6 kyu
Frogificator
164
eugene-katsevman
1 Issue Reported
Strings
Regular Expressions
Fundamentals
6 kyu
Cartesian product
164
kingcobra
1 Issue Reported
Mathematics
Sets
Set Theory
Algorithms
6 kyu
Gangs
163
Murf
Algorithms
Fundamentals
6 kyu
1 Dimensional cellular automata
162
prsaseta
Algorithms
Cellular Automata
6 kyu
Minesweeper
162
Lusina
3 Issues Reported
Algorithms
Puzzles
6 kyu
Format the playlist
161
user6720290
Strings
Fundamentals
6 kyu
Ryomen Sukuna
161
vim1729
Mathematics
Fundamentals
6 kyu
Simple Fun #279: Finding K
161
myjinxin2015
Algorithms
6 kyu
How many eggs?
161
kkavita92
Algorithms
6 kyu
Simple Fun #54: Strings Crossover
161
myjinxin2015
Puzzles
6 kyu
Connect Four - placing tokens
161
mmalkavian
Arrays
Fundamentals
6 kyu
Increasing Numbers with N Digits
161
datagram
Mathematics
Fundamentals
6 kyu
Dumbphone Keypads
161
anuprajg
2 Issues Reported
Fundamentals
6 kyu
Special Subsets of Primes
161
raulbc777
1 Issue Reported
Fundamentals
Algorithms
Mathematics
Data Structures
6 kyu
It's Raining Tacos
160
johnbutlergames
2 Issues Reported
Algorithms
6 kyu
Hill Cipher: Encryption
160
faizanraza
Cryptography
Matrix
Security
Fundamentals
6 kyu
Parametric to Rectangular Equation
160
narayanswa30663
1 Issue Reported
Fundamentals
6 kyu
Simple Fun #336: Lonely Frog
160
myjinxin2015
Algorithms
6 kyu
Parentheses are loud !
159
reivhax
Logic
Puzzles
6 kyu
Figurate Numbers #1 - Pentagonal Number
159
DivyanshBatham
Mathematics
Algorithms
6 kyu
Portal 2: End credits song. Text printing.
158
dimachanin
1 Issue Reported
Algorithms
6 kyu
Chess - Pin with Rook
158
CarbonStrings
Puzzles
6 kyu
Radix Tree
156
suic
Data Structures
Algorithms
6 kyu
One Line Task: Element-wise Maximum
156
Voile
Restricted
Fundamentals
6 kyu
Cause str(x) to raise an exception
156
Chris_Rands
1 Issue Reported
Strings
Puzzles
6 kyu
Simple Fun #302: Find The Max Sum
156
myjinxin2015
Puzzles
6 kyu
Nth Order Summation
155
Kacarott
Mathematics
Performance
6 kyu
Highest Perfect Square with Same Digits
155
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Performance
Permutations
6 kyu
@htmlize
155
kingcobra
1 Issue Reported
Fundamentals
6 kyu
Simple Fun #130: Robot Walk
155
myjinxin2015
Puzzles
6 kyu
Async Requests
154
chr3st5an
Asynchronous
6 kyu
Nth Root Equals Digit Sum
154
anter69
Algorithms
6 kyu
Next polydivisible number
154
JohanWiltink
Algorithms
6 kyu
Get recursion limit
154
FourthFan
2 Issues Reported
Fundamentals
6 kyu
Basic physics problem - Space -Kinematics
154
polyccon
3 Issues Reported
Fundamentals
Physics
Algorithms
6 kyu
Simple Fun #25: Comfortable Numbers
154
myjinxin2015
Puzzles
6 kyu
Check a Curious Divisibility. (Brute force version)
154
raulbc777
3 Issues Reported
Fundamentals
Mathematics
6 kyu
LET ME IN!
153
ExplosiveEnd
Fundamentals
Performance
6 kyu
Function Shorthand
153
Captain Quack
Strings
Puzzles
Algorithms
6 kyu
Mean, Variance and Standard Deviation of a Probability Distribution for Discrete Variables.
153
raulbc777
6 Issues Reported
Algorithms
Mathematics
Statistics
Probability
6 kyu
Two's Complement
152
rsdah13
2 Issues Reported
Binary
Puzzles
6 kyu
Abundant Array
152
ThomasL
1 Issue Reported
Fundamentals
Mathematics
Algorithms
6 kyu
Telepathy
151
airshawn
Puzzles
Restricted
Strings
Mathematics
6 kyu
Hardcore anagram difference
151
kingcobra
Strings
Algorithms
6 kyu
Simple Sum (with restrictions)
151
A.Freeman
1 Issue Reported
Puzzles
Restricted
6 kyu
Progressive Spiral Number Distance
149
GiacomoSorbi
1 Issue Reported
Mathematics
Number Theory
Fundamentals
6 kyu
AD2070: Help Lorimar troubleshoot his robots-Search and Disable
149
user8476848
1 Issue Reported
Data Structures
Mathematics
Algorithms
Data Science
6 kyu
No arithmetic progressions
148
dolamroth
Algorithms
6 kyu
Can these three numbers form a date?
148
jgdodson
1 Issue Reported
Algorithms
Date Time
Permutations
6 kyu
Put the cat on the table
147
Ziliquas
1 Issue Reported
Fundamentals
6 kyu
Basic socket server
146
potzko
Backend
6 kyu
Draw a Circle.
146
AJFarmar
2 Issues Reported
Strings
Geometry
ASCII Art
Algorithms
6 kyu
Triple your Money!
145
LegendaryFartMaster
1 Issue Reported
Mathematics
Number Theory
Performance
6 kyu
Simple Fun #229: Penalty Shots
145
myjinxin2015
Puzzles
6 kyu
The U-n-KNOWN but known variables: Multiplication
145
j_codez
Puzzles
6 kyu
Compound Nouns, Common Nouns, and Adjectives Test
144
daspreuße
Fundamentals
Strings
Parsing
6 kyu
Simple Fun #243: Perfect Team Of MinimalSize
144
myjinxin2015
Algorithms
6 kyu
Clock Patience
144
dinglemouse
Algorithms
6 kyu
Triangles made of random points
143
Muchacos
Mathematics
Geometry
Algorithms
Arrays
Performance
Fundamentals
6 kyu
Simple Fun #192: Three Details
143
myjinxin2015
Puzzles
6 kyu
Closest Perfect Power
142
frissriss
Mathematics
Algorithms
6 kyu
Inner Calls In Recursion I
142
raulbc777
1 Issue Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Recursion
6 kyu
Rock paper scissors infinite
141
Jamezofchez
Games
Puzzles
Fundamentals
6 kyu
The Cantor ternary set
140
eriklange
1 Issue Reported
Mathematics
Algorithms
6 kyu
Arrays and hex color codes
140
irbekrm
5 Issues Reported
Fundamentals
Arrays
6 kyu
Dark Souls: Prepare To Die - Soul Level
140
NeuroSerpens
Puzzles
6 kyu
2D Cellular Neighbourhood - Part 2
139
sgerodes
1 Issue Reported
Algorithms
Data Structures
Arrays
Matrix
6 kyu
Simple Fun #387: Lonely Frog IV
138
myjinxin2015
Fundamentals
6 kyu
Pedro's Urns
136
groskowski
Probability
6 kyu
Skyscrapers Area
136
mdandre
Algorithms
Arrays
6 kyu
Try without letter "r"! - Pontius Pilate will tly it :)
136
user7807731
Security
Fundamentals
6 kyu
Bingo!
136
user2420289
1 Issue Reported
Fundamentals
Games
Arrays
6 kyu
[ Code Golf ] Remove duplicated nodes
135
jamad
1 Issue Reported
Restricted
Fundamentals
6 kyu
Controlled Detonation Safety
134
Kooloog
Arrays
Algorithms
Puzzles
6 kyu
Help the frogs reach the opposite side of the line
134
benjaminzwhite
Algorithms
Puzzles
Recursion
6 kyu
Exclamation marks series #15: Replace the pair of exclamation marks and question marks to spaces
134
myjinxin2015
Fundamentals
6 kyu
Arrange Matrix by Diagonals -- OMG
133
Jomopipi
Algorithms
Matrix
6 kyu
Meta-Kata: Duplicate Detector v0.1
133
docgunthrop
1 Issue Reported
Fundamentals
6 kyu
Simple Fun #308: Hamming Rotate
133
myjinxin2015
1 Issue Reported
Algorithms
6 kyu
Oracle: Coin Method
132
Aquila
Algorithms
Arrays
Sorting
Games
Fundamentals
6 kyu
Jumping down the staircase
131
Konstantin Modin
Dynamic Programming
6 kyu
How many double digits?
131
Nekose
1 Issue Reported
Mathematics
Algorithms
Puzzles
6 kyu
Can you sum?
130
user8729270
Mathematics
Algorithms
Number Theory
Performance
6 kyu
Playing Cards Draw Order – Part 2
130
Zwyx
Games
Permutations
Algorithms
6 kyu
Simple palindrome game
130
KenKamau
Strings
Algorithms
6 kyu
Simple Fun #323: Bears And Apples
130
myjinxin2015
Puzzles
6 kyu
Going backwards: Number from every possible sum of two digits
129
JohanWiltink
1 Issue Reported
Algorithms
6 kyu
Robot on a Table
128
LogicalX
1 Issue Reported
Puzzles
Performance
6 kyu
Give your kata a name
128
KK201431873
1 Issue Reported
Fundamentals
6 kyu
Silent Import
128
reivhax
Puzzles
Language Features
Restricted
6 kyu
Shifted cycles
128
eugene-katsevman
Iterators
Fundamentals
6 kyu
Personalized brand list
128
gege83
Algorithms
6 kyu
riemann sums II (trapezoidal rule)
128
nhomble
Mathematics
Fundamentals
6 kyu
Binary with unknown bits: the average
127
LanXnHn
Mathematics
Binary
Performance
6 kyu
Climbing the Leaderboard
127
Firefly2002
3 Issues Reported
Arrays
Fundamentals
6 kyu
#6 Matrices: How Many Matrices Do These Elements Produce?
127
raulbc777
2 Issues Reported
Permutations
Matrix
Data Structures
Fundamentals
6 kyu
Fractions of a currency' smallest value
127
ChristianECooper
Fundamentals
6 kyu
Identify Ball Bearings
126
Kacarott
Riddles
6 kyu
Non Decomposable Primes as Sums of Perfect Squares
126
raulbc777
3 Issues Reported
Fundamentals
Mathematics
Algorithms
Memoization
6 kyu
Classify a floating point number
125
trashy_incel
1 Issue Reported
Binary
Fundamentals
6 kyu
Rectangle Cipher Puzzle
125
fisher60
Puzzles
Ciphers
Algorithms
6 kyu
pipi Numbers!
125
Jomopipi
1 Issue Reported
Mathematics
Algorithms
Performance
6 kyu
Simple Fun #342: Buy Newspaper
125
myjinxin2015
Algorithms
6 kyu
Doubly Linked List
125
Lusina
3 Issues Reported
Data Structures
Algorithms
Fundamentals
6 kyu
Basic Unit Test Practice
124
Wei-Ting Yang
Fundamentals
Tutorials
6 kyu
Group-by and Sum
124
Fbasham
Fundamentals
6 kyu
Find Amount of Certain Combinations than its Sum of Elements Are Within a Given Range
124
raulbc777
1 Issue Reported
Fundamentals
Mathematics
Data Structures
Algorithms
Logic
6 kyu
Expressing Integers as Sum of Powers of Three
122
CheeSenTan
Fundamentals
6 kyu
Simple Fun #120: Range Collapse Representation
122
myjinxin2015
1 Issue Reported
Puzzles
6 kyu
Church Booleans - Prefix is Overrated
121
JohanWiltink
Puzzles
Algorithms
6 kyu
Investigator's holidays and hidden messages
120
mauro-1
Strings
Puzzles
6 kyu
A1 Thick and Hearty
120
hamurai
1 Issue Reported
Lists
Permutations
Fundamentals
6 kyu
[Geometry A-3] Does point belong to the vector? [DRY]
120
MMMAAANNN
Geometry
Algorithms
6 kyu
Next Palindrome (Large Numbers 0 - 10^1000)
119
CreoCode
Algorithms
Mathematics
Performance
6 kyu
Get Euchre Score
119
Dana
1 Issue Reported
Games
Arrays
Algorithms
6 kyu
Base Reduction
119
smartspot2
1 Issue Reported
Algorithms
Mathematics
6 kyu
The Pony Express (missing rider)
118
dinglemouse
1 Issue Reported
Algorithms
6 kyu
#10 Matrices: Creating Hankel Matrices
117
raulbc777
Fundamentals
Mathematics
Arrays
Matrix
6 kyu
Simple Fun #150: Robot Transfer
117
myjinxin2015
Puzzles
6 kyu
Coins
116
QKiryu
2 Issues Reported
Mathematics
Algorithms
6 kyu
Spin the sentence
116
rayn
1 Issue Reported
Strings
Fundamentals
6 kyu
#02 - Music Theory - Validate rhythm
116
aniametz
2 Issues Reported
Logic
Mathematics
Fundamentals
6 kyu
Sequence Duality and "Magical" Extrapolation (Binomial Transform)
115
Quaternions
Mathematics
Algebra
Algorithms
Tutorials
6 kyu
HTML Element Generator
115
beniolenio
1 Issue Reported
Fundamentals
6 kyu
"Shoot But As I've Seen It In My Imagination"
115
raulbc777
3 Issues Reported
Arrays
Mathematics
Algebra
Probability
Data Science
6 kyu
Champernowne's Championship
115
aMoniker
1 Issue Reported
Mathematics
Algorithms
6 kyu
Pair items from two lists of different lengths
114
user2553318
Fundamentals
6 kyu
Generate All Possible Matches
114
eladkap
Recursion
Fundamentals
6 kyu
Promenade Fractions (from BIO 2016)
114
Daniel Ray
Puzzles
6 kyu
# 2 Sequences: Pure Odd Digit Perfect Cubic (P.O.D.P.C)
114
raulbc777
Mathematics
Arrays
Algorithms
Logic
Memoization
Fundamentals
6 kyu
Flip Your Stack (of Pancakes)
113
brodiemark
Arrays
Sorting
6 kyu
[Code Golf] Reversed Upper Index
113
LanXnHn
Strings
Restricted
6 kyu
Has the Largest Product Horizontal or Vertical Direction? Find it!!
113
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Algebra
Performance
6 kyu
Networking 101/4: Determine the IPv4 network prefix in CIDR notation
112
bitcanon
Networks
Bits
Fundamentals
Binary
6 kyu
Cyclic Permutation Spotting
112
logiczsniper
Fundamentals
Recursion
6 kyu
Guess and convert
112
Cptnprice
Puzzles
6 kyu
Northwest and Southeast corners
112
aweleshetu
1 Issue Reported
Mathematics
Fundamentals
6 kyu
Reversing Euclid's GCD. Parameters out of results
112
Wittybit
Algorithms
6 kyu
Double Even Magic Square
112
Abelard_Snazz
2 Issues Reported
Fundamentals
Puzzles
Arrays
Mathematics
6 kyu
Endless String
112
mattchilders
Strings
Fundamentals
6 kyu
Minimum difference in duplicate characters
111
blackhercek
Strings
6 kyu
Longest Alternating Substring
111
saudiGuy
Algorithms
Logic
Regular Expressions
Strings
6 kyu
Sequence of squared digits
111
WestwardLand968
Algorithms
Mathematics
Logic
6 kyu
First order Chebyshev polynomials
110
user7657844
Algorithms
6 kyu
Sorting Time
110
Aquila
1 Issue Reported
Sorting
Arrays
Algorithms
Date Time
6 kyu
Back and Forth: How Many for Each Side?
109
LanXnHn
Puzzles
Logic
Algorithms
Performance
6 kyu
Seventh JSON of a seventh JSON
109
kingcobra
3 Issues Reported
JSON
Recursion
Fundamentals
6 kyu
Paint Tiles
108
lonkaan
Dynamic Programming
Algorithms
6 kyu
Word Spiral Permutations Generator
108
manianis
Puzzles
6 kyu
Untangle list deletion/insertion
108
iv2101
2 Issues Reported
Mathematics
Performance
Algorithms
6 kyu
Rotten Oranges
108
newsh
1 Issue Reported
Fundamentals
6 kyu
Vector Operations and Functionals
108
mentalplex
1 Issue Reported
Mathematics
Linear Algebra
Fundamentals
6 kyu
The simplest path
108
sebaas
1 Issue Reported
Algorithms
6 kyu
Thinking & Testing : Hail and Waterfall
107
myjinxin2015
Puzzles
Games
6 kyu
Avoid trillion years of calculations !!
106
raulbc777
Performance
Algorithms
Mathematics
Machine Learning
6 kyu
Memory Reallocation
106
Firefly2002
3 Issues Reported
Arrays
Fundamentals
6 kyu
Simple Fun #353: Lonely Frog II
106
myjinxin2015
Algorithms
6 kyu
Group prime numbers
106
NikosAthens
1 Issue Reported
Algorithms
Fundamentals
6 kyu
Will it balance?
105
marbiru
Fundamentals
6 kyu
@wraps
105
kingcobra
1 Issue Reported
Fundamentals
6 kyu
How long each order will take
105
FourthFan
1 Issue Reported
Puzzles
6 kyu
Weigh The List #2
104
Rail-Gun
Mathematics
Fundamentals
6 kyu
Grayscale ASCII-art
104
𒀱 Lars 𒀱
ASCII Art
Algorithms
6 kyu
Shorten IPv6 Address
104
TheBMachine
1 Issue Reported
Algorithms
6 kyu
Divide into palindromes
103
igorlukjanov05
Algorithms
Fundamentals
6 kyu
Simple Fun #267: Count Triangles
102
myjinxin2015
Puzzles
6 kyu
Infinite Diceworks: MeanMaxing your rolls
102
Voile
Mathematics
Dynamic Programming
Recursion
Probability
Statistics
Puzzles
6 kyu
Paperboy 2
102
TroyMaeder
3 Issues Reported
Algorithms
6 kyu
Root the Num and Find the Integer Sum
101
mhis1234
Mathematics
6 kyu
Closed Brackets String
101
saudiGuy
Algorithms
Strings
Recursion
Stacks
Dynamic Programming
Data Structures
6 kyu
Hellphabet - Can you give the alphabet
101
Sigmanificient
Puzzles
Restricted
Strings
6 kyu
Merging and moving bubbles along a row of boxes
100
benjaminzwhite
Fundamentals
Algorithms
Puzzles
Mathematics
6 kyu
Megamind
100
sazzadshopno
Fundamentals
Games
6 kyu
Multicast IP Address to MAC address mapping
100
puetsua
2 Issues Reported
Parsing
Fundamentals
6 kyu
T.T.T.37: Reversal of Collatz
100
myjinxin2015
Puzzles
Games
6 kyu
Laser in a square room
99
groskowski
Mathematics
Geometry
Performance
6 kyu
Vending Machine Problems [#1]
99
Joz
1 Issue Reported
Algorithms
Mathematics
6 kyu
Interweave the Inequalities and the Integers
98
benjaminzwhite
Fundamentals
Algorithms
6 kyu
Utf-8: Binary Encoding
98
chivery
Unicode
Strings
Algorithms
6 kyu
Lexicographic Permutations
98
mxwil
1 Issue Reported
Fundamentals
Algorithms
Combinatorics
Mathematics
Logic
6 kyu
Binary Bunch Transform of an Integer
97
benjaminzwhite
Fundamentals
Binary
6 kyu
IPv4 subnet to list
97
zimo
2 Issues Reported
Networks
Fundamentals
6 kyu
Chains With Sums and Products
97
raulbc777
1 Issue Reported
Fundamentals
Mathematics
6 kyu
Greatest common divisor as linear combination
96
IttayWeiss
Algorithms
Mathematics
Number Theory
Cryptography
6 kyu
[Code Golf] Leyland Numbers
96
anter69
Restricted
Puzzles
6 kyu
Toothpick Sequence
96
dasoca
Algorithms
Mathematics
Recursion
6 kyu
Ferry Loading
96
sazzadshopno
Fundamentals
6 kyu
Find the lines!
96
Avanta
Algorithms
Arrays
Lists
Logic
6 kyu
Sum of dices
96
NikosAthens
1 Issue Reported
Algorithms
Fundamentals
6 kyu
An OSHA Approved Ladder?
95
saudiGuy
1 Issue Reported
6 kyu
Perfect Queues
95
dfhwze
Algorithms
Arrays
Puzzles
Performance
6 kyu
Fibofamily #1
95
groskowski
Mathematics
Performance
6 kyu
Product Partitions I
95
raulbc777
1 Issue Reported
Fundamentals
Algorithms
Mathematics
6 kyu
Asteroid Collision
94
saudiGuy
6 kyu
Blocky Octahedrons
94
user7897247
2 Issues Reported
Algorithms
Geometry
Algebra
6 kyu
Load a barbell
93
bdupau
Strings
Mathematics
6 kyu
Magic Triangle Solutions
93
cekstedt
Arrays
Algorithms
Game Solvers
Games
Mathematics
6 kyu
Make a spanning tree
93
FArekkusu
Algorithms
Trees
Graph Theory
6 kyu
Magic Dice: Who wins?
93
terne
1 Issue Reported
Puzzles
6 kyu
Qwerty Coordinates -- Strings
93
Keozon
2 Issues Reported
Strings
6 kyu
T.T.T.47: The boss is always right
93
myjinxin2015
Puzzles
Games
6 kyu
A Fun Way of Finding Pythagorean Triples
92
brodiemark
Geometry
Mathematics
Algorithms
6 kyu
Squared Spiral #1
91
lfhohmann
Geometry
Performance
Algorithms
6 kyu
Clone Graph
91
tachyonlabs
Fundamentals
Graph Theory
6 kyu
Strange roman numbers
91
KenKamau
Fundamentals
6 kyu
Geometric Mean II
91
raulbc777
4 Issues Reported
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Strings
6 kyu
Multidimensional Coordinate Encoding
90
dfhwze
Algorithms
Arrays
Mathematics
6 kyu
Error Correction Codes
90
mathsisfun
Algorithms
6 kyu
Counting ASCII Art Squares
90
mnemonix666
1 Issue Reported
Geometry
Algorithms
Puzzles
6 kyu
can you guess what it is ?
90
Jomopipi
Puzzles
6 kyu
Continuation in arguments, part 1
90
zellerede
1 Issue Reported
Fundamentals
6 kyu
Simple Fun #100: New Year Celebrations
90
myjinxin2015
Puzzles
6 kyu
Lucas-Lehmer Test for Mersenne Primes
90
Were_Cat
2 Issues Reported
Algorithms
6 kyu
Steganography Part 1
89
bshore
1 Issue Reported
Cryptography
Fundamentals
6 kyu
Kata 2019: Fibonacci Bus
89
myjinxin2015
Mathematics
Algorithms
6 kyu
Data Analysis Following Migration
89
anter69
Date Time
Algorithms
Data Science
6 kyu
Custom Christmas Tree III: the center of leaves
89
myjinxin2015
Puzzles
Strings
Mathematics
Fundamentals
6 kyu
Next level string padding
89
jbehley
2 Issues Reported
Strings
Algorithms
6 kyu
Zero count in product
88
ArtemiyKra
Fundamentals
Algebra
6 kyu
Taylor's Sine Approximation: How Many Terms?
88
bonelli
Fundamentals
6 kyu
Last and rich in circle
88
kdmatrosov
Fundamentals
Algorithms
6 kyu
Membership (with restrictions)
88
suic
Puzzles
Restricted
6 kyu
nova polynomial 5. from roots
88
hgamboa
Algorithms
6 kyu
New year house rental
87
Then19
1 Issue Reported
Algorithms
6 kyu
Networking 101/5: Access Control using a Wildcard mask
87
bitcanon
Networks
Bits
Fundamentals
Binary
6 kyu
Chess Aesthetics
86
sgerodes
Algorithms
Strings
6 kyu
#Paper and pencil 2: Finding the formula of a single 'x'^2 sequence and the next terms
85
LS2008
Puzzles
Mathematics
Algebra
Logic
6 kyu
Weekend Birthdays
85
Martyn-Pearson
Date Time
6 kyu
Manage an Orderbook
85
Hamburgler
Algorithms
6 kyu
Hanoi Tower Array
84
jamad
1 Issue Reported
Algorithms
6 kyu
Progress of a challenge
84
MarcJensen
Fundamentals
6 kyu
Chocolate problem
84
vladkha
1 Issue Reported
Algorithms
Logic
Arrays
Fundamentals
6 kyu
Web Scraping: Find Every Link to Another Wikipedia Article in a Wikipedia Article
83
beniolenio
3 Issues Reported
Web Scraping
Fundamentals
6 kyu
Happy traveller [#1]
83
Joz
1 Issue Reported
Algorithms
6 kyu
Find the crossing ( graphic calculations )
82
ArtemiyKra
Algebra
Mathematics
Linear Algebra
Graphics
6 kyu
Sierpinski triangle
82
user7657844
Algorithms
ASCII Art
6 kyu
Team dinner: find the best acceptable date
81
alexc19
Fundamentals
6 kyu
Levels of Pascal's Pyramid
81
kylito
Arrays
Algorithms
Mathematics
Combinatorics
Recursion
6 kyu
Simple Fun #171: Get Candy Position
81
myjinxin2015
1 Issue Reported
Algorithms
Puzzles
6 kyu
Number Sequence Rabbit Hole
80
amir650
Puzzles
Mathematics
6 kyu
Locate P using 3 Points and their distances to P
80
macambira
Mathematics
Geometry
6 kyu
Simple Fun #153: Knight Rescue
80
myjinxin2015
Puzzles
Algorithms
6 kyu
Conic Classification
80
raulbc777
Fundamentals
Logic
Data Structures
Mathematics
Geometry
Linear Algebra
6 kyu
The Dice Game
79
saudiGuy
6 kyu
I said the word WOULD instead of WOULDN'T
79
dinglemouse
Strings
Algorithms
6 kyu
Earth-mover's distance
79
geoffp
Fundamentals
Algorithms
Mathematics
Arrays
6 kyu
Heroes of Might & Magic II: Chain Lightning
78
Firefly2002
2 Issues Reported
Arrays
Games
Fundamentals
6 kyu
Codenames - matrix conversions
78
larslue
Matrix
Algorithms
6 kyu
Effective Resistance of a Simple Circuit
77
myst-6
Recursion
Arrays
Algorithms
Fundamentals
Physics
6 kyu
Simple Fun #360: Calculate 1 to n Using The Fewest Numbers
77
myjinxin2015
Algorithms
6 kyu
Last digit of the squared sum of Fibonacci numbers
76
yuanx749
1 Issue Reported
Mathematics
6 kyu
Extract the Electrons
76
user7552630
Fundamentals
6 kyu
D'Hondt method
75
david.pb
Algorithms
6 kyu
Summation Triangle #3
75
groskowski
Mathematics
Performance
6 kyu
Simple Fun #255: Visits On Circular Road
75
myjinxin2015
Algorithms
6 kyu
Write your own pseudorandom number generator!
75
user2514386
4 Issues Reported
Algorithms
6 kyu
Exception Handling (with restrictions)
75
MFreidank
Puzzles
Restricted
6 kyu
How many permutations where indices change by at most 1
74
benjaminzwhite
Fundamentals
Algorithms
Puzzles
Mathematics
Discrete Mathematics
6 kyu
Exposure assessment
74
Extend
Algorithms
Fundamentals
6 kyu
Decode a cipher - simple
74
Bartek Karwacki
1 Issue Reported
Ciphers
Puzzles
6 kyu
The Takeuchi function
74
KenKamau
Fundamentals
6 kyu
Building Chains Using the Arithmetic Derivative of a Number
73
raulbc777
3 Issues Reported
Fundamentals
Mathematics
Recursion
6 kyu
Typing series #3 --> copy and paste
72
goldenratio161
Regular Expressions
6 kyu
Typing series #2 --> the [shift] function
72
goldenratio161
6 kyu
Positive Integers Having Specific Area? # 1
72
raulbc777
Mathematics
Geometry
6 kyu
Linear Color Gradient
72
aland97
Algorithms
6 kyu
Blind Numbers
72
ChanChhunneng
2 Issues Reported
Mathematics
Fundamentals
6 kyu
The Ice Cream Vendors Dilema
72
Thomas Grand
3 Issues Reported
Puzzles
6 kyu
Async Requests | Don't let server down!
71
your_ded
Asynchronous
6 kyu
Operating System Scheduling #1 : FCFS scheduling
71
G_kuldeep
2 Issues Reported
Fundamentals
6 kyu
Averaging in an Infinite Array
71
At1029
Mathematics
Algorithms
6 kyu
Angle between two planes
71
eqlion
4 Issues Reported
Geometry
Fundamentals
Algorithms
6 kyu
Atomic Chess
70
brodiemark
Strings
Lists
6 kyu
Task master
70
potzko
Threads
6 kyu
Program the robot
70
seased
Algorithms
Graph Theory
6 kyu
3D Cellular Neighbourhood
70
sgerodes
2 Issues Reported
Algorithms
Data Structures
Arrays
Lists
Matrix
6 kyu
Lexographic sort with a twist
70
Chris_Rands
2 Issues Reported
Algorithms
Arrays
Sorting
Data Structures
6 kyu
Approximate Fractions
70
raulbc777
2 Issues Reported
Fundamentals
Mathematics
Strings
6 kyu
Polynomial Evaluation - Binomial Form
70
abiessu
1 Issue Reported
Mathematics
Fundamentals
6 kyu
Power Laws
69
marbiru
1 Issue Reported
Fundamentals
6 kyu
Hungarian Cardinal Numerals
69
suic
1 Issue Reported
Fundamentals
6 kyu
Receiving integers as bytes
69
xim
Algorithms
6 kyu
Legal Backlog
68
saudiGuy
6 kyu
Optionally callable attributes
68
avermakov
Object-oriented Programming
Language Features
6 kyu
Yet another Collatz kata
68
dolamroth
Mathematics
Algorithms
6 kyu
Euler Squares
67
brodiemark
Algorithms
Arrays
6 kyu
[Code golf] Strange way to divide a pizza
67
benjaminzwhite
Mathematics
Restricted
6 kyu
Hamiltonian cycle: create one !
67
tortar
Puzzles
Graph Theory
6 kyu
Approximate solution of differential equation with Runge-Kutta 4
66
pa-m
Algorithms
Mathematics
6 kyu
Table Builder
66
eptaceps
Algorithms
ASCII Art
Fundamentals
6 kyu
Shuffle It Up II
66
raulbc777
Algorithms
Performance
Number Theory
Recursion
Fundamentals
6 kyu
D&D Character generator #2: psion power points
66
GiacomoSorbi
Fundamentals
6 kyu
Cut me in Pieces but in The Way I Like
66
raulbc777
Fundamentals
Algorithms
Mathematics
6 kyu
Combinations xor sum
65
kodejuice
Mathematics
Algorithms
6 kyu
Cramer, thanks for your contribution!
65
raulbc777
3 Issues Reported
Fundamentals
Data Structures
Arrays
Mathematics
Algebra
6 kyu
Moving Particles
64
saudiGuy
Games
Logic
Algorithms
6 kyu
[Code Golf] Number Pyramid Series 3 - Center
64
LanXnHn
Mathematics
Restricted
6 kyu
[Code Golf] Number Pyramid Series 2 - Sum of Edges
64
LanXnHn
Mathematics
Restricted
6 kyu
Hackermann
64
notnotmelon
1 Issue Reported
Recursion
Puzzles
6 kyu
Mayan Calendar
63
alexlostorto
Date Time
6 kyu
Rasterize a Triangle
63
lopared
Geometry
Graphics
Image Processing
Algorithms
6 kyu
Ten-pin bowling - score the frame
63
neilm
Puzzles
6 kyu
Sinus Scroller
63
anter69
Algorithms
6 kyu
Carpet shop
62
astad
1 Issue Reported
Algorithms
6 kyu
Sales report
62
ecolban
Fundamentals
6 kyu
Clustering corrupted banks
61
Donvito-911
Data Structures
Algorithms
Set Theory
6 kyu
Rotate 1 / 8th
61
JohanWiltink
Arrays
Algorithms
6 kyu
Base Nine But Balanced
60
MadCatMagic
Mathematics
6 kyu
Subsequences with no adjacent items
60
LanXnHn
Algorithms
Performance
6 kyu
Letters and Numbers Game
59
dfhwze
Puzzles
Games
Arrays
6 kyu
Spiral Column Addition
59
phildinius
1 Issue Reported
Mathematics
Algorithms
Puzzles
6 kyu
Array Hyperrectangularity
59
sgerodes
Mathematics
Arrays
Recursion
Algorithms
Data Structures
Lists
6 kyu
Arithmetic Progression of Primes
59
amekh2
2 Issues Reported
Fundamentals
6 kyu
Square Cubic Triples
59
raulbc777
3 Issues Reported
Fundamentals
Algorithms
Data Structures
Mathematics
Memoization
6 kyu
Find the Biggest Triangle
59
raulbc777
4 Issues Reported
Data Structures
Algorithms
Mathematics
Searching
Sorting
Fundamentals
6 kyu
Let the Dominoes Fall Down
58
saudiGuy
Algorithms
Logic
Regular Expressions
Strings
6 kyu
Hulot's Playtime
58
dfhwze
Fundamentals
Arrays
Geometry
6 kyu
Move all the grains of rice to a same shared final square
58
benjaminzwhite
Algorithms
Puzzles
Mathematics
Performance
6 kyu
Bus ASCII-Art Animation
58
Joe Reece
ASCII Art
Puzzles
6 kyu
Minimum exact p
58
mentalplex
1 Issue Reported
Mathematics
Statistics
Fundamentals
Permutations
Probability
6 kyu
[Geometry A-1.1] Modify point location detector to handle zero-length vectors and precision errors [DRY]
58
MMMAAANNN
Geometry
Refactoring
6 kyu
Converging Journeys
57
alexlostorto
6 kyu
Weird Sequence
57
pea18013
Mathematics
6 kyu
Draw a street
57
Ahmedov-brat
ASCII Art
6 kyu
Fix the robot and save the secret Mars base
57
user7807731
Algorithms
Mathematics
Fundamentals
6 kyu
T.T.T.53: Fighting for love! Knights of the round
57
myjinxin2015
1 Issue Reported
Puzzles
Games
6 kyu
Tangent Lines to a Circle from an External Point
57
raulbc777
Fundamentals
Mathematics
Geometry
6 kyu
Linear Feedback Shift Register
56
LuggiStruggi
Algorithms
Binary
Bits
6 kyu
Time Is Money (number of operations)
56
vvrmatos
1 Issue Reported
Algorithms
6 kyu
Combinations on semicircle
56
Hyper-Gamma ㆆ _ ㆆ
1 Issue Reported
Combinatorics
Fundamentals
6 kyu
Shakespearean Tug of War
56
docgunthrop
Algorithms
6 kyu
Sorting by Exclusion
55
brodiemark
Sorting
Algorithms
Dynamic Programming
6 kyu
Closest String
55
QKiryu
Algorithms
6 kyu
Divisible by primes
55
KenKamau
Fundamentals
6 kyu
Challenge Fun #19: Black Hole
55
myjinxin2015
Algorithms
6 kyu
Author Disambiguation: a name is a Name!
55
ebreton
5 Issues Reported
Puzzles
Strings
Algorithms
6 kyu
Reverse look and say
54
mauro-1
Fundamentals
Mathematics
6 kyu
Simple Fun #295: Guess Number
54
myjinxin2015
Mathematics
Number Theory
6 kyu
[Code Golf] Knight's Next Position
53
anter69
Restricted
Puzzles
6 kyu
Mountain Bike Trail
52
dfhwze
Fundamentals
Strings
ASCII Art
Geometry
6 kyu
Digits of Lucky Tickets
51
saudiGuy
Performance
Combinatorics
6 kyu
Hint a Type
51
Admiraal
Recursion
Algorithms
6 kyu
[Code Golf] Number Pyramid Series 4 - Location
50
LanXnHn
Mathematics
Restricted
6 kyu
Add 'Em Pairs!
49
Yushi.py
Mathematics
Combinatorics
Performance
6 kyu
Block Pusher
49
saudiGuy
6 kyu
Typing series #4 --> left and right arrow keys
48
goldenratio161
6 kyu
Adjust barbell
48
bdupau
Strings
Mathematics
6 kyu
Involution in Numbers of Different Bases Using the Alphabetical System.
48
raulbc777
Mathematics
Number Theory
6 kyu
[Code Golf] Painted Pyramid Probability Puzzle
48
benjaminzwhite
Puzzles
Mathematics
Restricted
Probability
6 kyu
Markdown 101: Code Format Corrector
48
albertogcmr
1 Issue Reported
Strings
Lists
Fundamentals
6 kyu
Rotate 1 / 8th ( Infinity version )
48
JohanWiltink
Arrays
Algorithms
6 kyu
Distance to the safe-zone moving towards its center
48
FArekkusu
Fundamentals
Mathematics
6 kyu
Calculating Expected Utility
48
russelljjadams
2 Issues Reported
Algorithms
6 kyu
Minimum Number of Copy / Paste Operations
47
saudiGuy
6 kyu
Hexagonal Grid: Distance
47
saudiGuy
Arrays
Games
Logic
6 kyu
Why You Shouldn't Believe Your Doctor
47
brodiemark
Simulation
Statistics
Tutorials
6 kyu
Help naughty Codewars users cheat by sharing their solutions to katas
47
benjaminzwhite
Puzzles
Mathematics
Logic
Combinatorics
6 kyu
Counting hexagons
47
vlukyanets
Mathematics
Puzzles
6 kyu
Learning Chords Triads
47
dan77
Logic
Fundamentals
6 kyu
Maximum Overlap of Two Images
46
saudiGuy
Arrays
Algorithms
Data Structures
6 kyu
Alex & snooker: Find Them All
46
nekokat
Puzzles
Fundamentals
Algorithms
6 kyu
[Code Golf] Luhn Check Digit
46
mauro-1
Restricted
Puzzles
6 kyu
Lattice multiplication
45
Pr-141
Mathematics
6 kyu
One Line Task: The sum of a 3-dimensional array
44
a.zagoskin
Mathematics
Fundamentals
6 kyu
Number Pyramid Series 7 - Vertical Sum
43
LanXnHn
Mathematics
Puzzles
6 kyu
Find a Limited King's Tour on a chessboard
43
benjaminzwhite
Fundamentals
Algorithms
Puzzles
Mathematics
6 kyu
Semi-Thue Systems - The Word Problem [Part 1]
43
Dr Gabo
1 Issue Reported
Mathematics
Algorithms
6 kyu
Golden Section Search
43
ecolban
Fundamentals
6 kyu
Product Partitions II
43
raulbc777
1 Issue Reported
Fundamentals
Data Structures
Mathematics
Recursion
Algorithms
6 kyu
Rob the one-armed bandit
41
davilla
1 Issue Reported
Puzzles
Algorithms
Cryptography
6 kyu
Escape the knight!
40
brodiemark
Games
6 kyu
Prüfer sequences and labeled trees
40
benjaminzwhite
Algorithms
Mathematics
Graphs
Graph Theory
Trees
Combinatorics
6 kyu
Computer problem series #7: Indentation mix
40
albertogcmr
Strings
Algorithms
6 kyu
Reflective Prime Pairs for a Range of Bases
39
saudiGuy
6 kyu
Find the Final Position
39
brodiemark
Games
6 kyu
Guitar #1: Find the frets
39
MrKoyl
1 Issue Reported
Puzzles
6 kyu
String counting
39
KenKamau
1 Issue Reported
Fundamentals
6 kyu
Broken 7-segment display - reversed segments
38
mauro-1
Logic
Fundamentals
6 kyu
Leapfrog Code
37
оkabe
Restricted
6 kyu
Binding of Algebraic Data Types
37
Dr Gabo
Functional Programming
Algorithms
6 kyu
Cody Block's Pro Skater
37
thquinn
2 Issues Reported
Statistics
Probability
Fundamentals
Data Science
6 kyu
Most points without right triangle
36
benjaminzwhite
Puzzles
Mathematics
Geometry
6 kyu
AST Series #2: Your First NodeTransformer
34
Polymorbism
6 kyu
Using type annotations the wrong way!
34
bredor
Puzzles
6 kyu
GCD not equal to 1
33
TLEojxSunlight
Mathematics
Number Theory
6 kyu
Seven-segment display: how many switches?
33
alexc19
Fundamentals
6 kyu
Clock hands cross [Code Golf]
33
mauro-1
Restricted
Fundamentals
6 kyu
N in a row
32
Yushi.py
Iterators
Performance
6 kyu
12 Sleepy Bits
31
dfhwze
Puzzles
Algorithms
Set Theory
6 kyu
Maximum Possible Amount of Lattice Points That May Be Encountered By a Single Laser Beam.
31
raulbc777
Fundamentals
Data Structures
Algorithms
Mathematics
Logic
Geometry
6 kyu
[Code Golf] A Powerful Ritual
28
uttumuttu
Mathematics
Matrix
Restricted
6 kyu
Convert integer to float while rounding up and down
26
dramforever
1 Issue Reported
Language Features
Big Integers
6 kyu
Binary with an unknown bit: average to binary (Simple Version)
25
LanXnHn
1 Issue Reported
Binary
Strings
Performance
Mathematics
6 kyu
[Code Golf] Number Pyramid Series 6(Revised) - Left or Right
25
LanXnHn
Mathematics
Restricted
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